Headstamps

Headstamp	Manufacturer
	(or in some cases the maker of the cartridge case, or distributor of the loaded ammunition, or a using activity, or other meaning. See Note 1 above *)
0	Unknown Factory, Czechoslovakia
1	Rheinisch- Westfälische Sprengstoff A.-G. (Part of the Dynamit Nobel group), Nürnburg, Germany. Found on 7.62 x 39mm.
1	Unknown Factory, Peoples Republic of China
2	Royal Ordnance Factory Woolwich, England. Found on .303 Mark II, c. 1880s
3	Ulyanovsk Machinery Plant State Production Association, 2 Metallistov St. Ulyanovosk 432031, Russia
4	Remington Arms Company, Inc., Bridgeport CT , and later
4	Volkseigene Betrieb (VEB) Mechanische Werkstätten Königswartha, East Germany
5	Remington Arms Company, Inc., Bridgeport CT , and later
7	Vympel State Production Association, Khabarovsk Territory, Russia
10	Arsenal, Kazanlak (previously named Durjava Voenna Fabrika), Bulgaria (When found on ammunition made after 1946).
10	Russian State Arsenal, location unknown. Listed here to avoid confusion with Bulgarian factory using the same code. Found on ammunition made 1946 and earlier. Factory Ceased operations in 1946
11	Chinese State Factory at Mudanjang and part of NORINCO group. Normally found as part of a two-entry headstamp with date being the only other entry
11	Not a manfuacturer’s code, but rather a load identification code used by Pretoria Metal Pressing Ltd Pretoria, RSA on brass cases
11	Prvi Partizan, Miloša Obrenovica 2, 31000 Uzice, Yugoslavia (Serbia)
11	Unknown Factory, One of the countries that use to be part of Yugoslavia (only on brass cases)
12	Not a manfuacturer’s code, but rather a load identification code used by Pretoria Metal Pressing Ltd Pretoria, RSA on brass cases
12	O.J.F. (Osterreichische Jegdpatronenfabrik) Kremsach
13	Not a manfuacturer’s code, but rather a load identification code used by Pretoria Metal Pressing Ltd Pretoria, RSA on brass cases
13	Unknown Factory, Cuba
17	Barnaul Machine Tool Plant JSC, 28 Polevaya St., Barnaul 656002, Altai Territory, Russia
21	Mátravidéki Fémmüvek Sirok, Hungary. Normally found on cartridge headstamps with a date stamped right-side up in relation to the factory code
21	Plant 21, Uzinale Metalugica Di Copsa Mica Si Cugir, Romania. Normally found on cartridge headstamps followed by the letters RPR which stand for Republica Popolara Romana (People’s Republic of Romania)
21	Zaklady Metalowe MESKO, Skarzysko-Kamienna, Poland. Normally found on cartridge headstamps with a date stamped upside down in relation to the factory code
22	Plant 22, Romania (address and actual name unknown)
22	Tömegcikk Művek, Jobbágyi, Hungary
23	Unknown Factory, Hungary, Probably now associated with Magyar Löszergyártó Kft., Mátravidéki Fémmüvek, H-332 Sirok, Hungary
24	Norrhammars Bruk (Only manufactured the cases), Sweden
25	Vulcans Tändsticksfabrik, Tidaholm, Sweden
25	Hajdúsági Iparművek, Hajdúhadház, Hungary
28	Jönköpings Västra tändsticksfabrik, Jönköping, Sweden
29	Valtion Patruunatehdas (VPT), Finland.
30	Deutsche Waffen-u. Munitionsfabriken A.-G., Facility in Herstal Belgium under German occupation (ex-FN)
31	Svenska Tändsticks AB Jönköping, Sweden
32	Linköpings Tändsticksfabrik, Lidköping, Sweden.
33	WaffenwerkBrünn, Czechoslovakia.
34	JönköpingsTändsticksfabrik, Sweden
38	Russian State Factory at Yuryusan (Tscheljabinks Region), Russia
51	Unknown Factory, Peoples Republic of China
60	Russian State Factory at Frunze, Kirgisia, Russia
61	Unknown Factory, Peoples Republic of China
61	61 is TsNIITOCHMASh, located in the city of Klimovsk It has a relatively small ammunition production facility and makes mostly rounds of its own design (like 9×21) as well as some civilian rounds, such as .22LR “Olympic” match ammo
71	FFV Zakrisdalsverken, Karlstad, Sweden
71	Unknown Factory, Peoples Republic of China
81	Unknown Factory, Peoples Republic of China
85	China?
88	Western Cartridge Company (Olin), East Alton, IL
93	Unknown Factory, North Korea
95	Unknown Factory, North Korea
101	Unknown Factory, Peoples Republic of China
111	Unknown Factory, Peoples Republic of China
121	Heilongjiang North Tool Factory in Mundanjiang, Peoples Republic of China
131	Unknown Factory, Peoples Republic of China
141	Unknown Factory, Peoples Republic of China
171	Unknown Factory, Peoples Republic of China
184	Russian State Factory, Kazan Region, Russia.
187	Tula Cartridge Plant JSC, 139 Marat St., Tula 300035, Russia
188	Novosibirsk Low Voltage Equipment Plant JSC, 30A Stantsionnaya St., Novosibirsk 630031, Russia
201	Unknown Factory, Peoples Republic of China
211	Unknown Factory, Peoples Republic of China
221	Unknown Factory, Peoples Republic of China
234	Unknown Factory, Poland
270	Soviet State Factory at Lugansk, Ukraine
301	Unknown Factory, Peoples Republic of China
304	Probably Kouskovo / Lugansk, Moscow, USSR
311	Unknown Factory, Peoples Republic of China
312	Unknown Factory, Peoples Republic of China
313	Romania
314	Romania
321	Unknown Factory, Romania
322	Unknown Factory, Romania
323	Unknown Factory, Romania
324	Unknown Factory, Romania
325	Unknown Factory, Romania
331	Unknown Factory, Peoples Republic of China
341	Unknown Factory, Peoples Republic of China
351	Unknown Factory, Peoples Republic of China
352	Unknown Factory, Peoples Republic of China
391	Unknown Factory, Peoples Republic of China
434	Imported to Sweden from Norway and made by Bakelittfabrikken, Norway
539	Tula Cartridge Works (Tulski Patronny Zavod), 139 Marata St., 300004, Tula, Russia
541	Possibly Tula Cartridge Works, Tula, USSR
583	Imported to Sweden from Raufoss, Norway.
586	Imported to Sweden from Hirtenberger, Austria.
599	Imported to Sweden from Diehl Wehrtechnik, Germany
601	Sellier & Bellot, Prague, Czech Republic, Factory in Vlasim reportedly made for Kazakhstan
601	Unknown Factory, Peoples Republic of China
602	Imported to Sweden from Canada and made by SNC.
604	Argus, Austria
613	Imported to Sweden from Brazil and made by CBC.
616	Imported to Sweden from USA and made by Winchester/Olin
641	Unknown Factory, Peoples Republic of China
651	Unknown Factory, Peoples Republic of China
661	Unknown Factory, Peoples Republic of China
671	Unknown Factory, Peoples Republic of China
710	Russian State Ammunition Factory at Podolsk, Russia
711	Russian State Ammunition Factory at Podolsk, Russia
911	Unknown Factory, Peoples Republic of China
944	Unknown Factory, Peoples Republic of China
946	Unknown Factory, Peoples Republic of China
947	Unknown Factory, Peoples Republic of China
948	Unknown Factory, Peoples Republic of China
964	Unknown Factory, Peoples Republic of China
6201	Unknown Factory, Peoples Republic of China
6202	Unknown Factory, Peoples Republic of China
6203	Unknown Factory, Peoples Republic of China
9121	Unknown Factory, Peoples Republic of China
9141	Unknown Factory, Peoples Republic of China
9661	Unknown Factory, Peoples Republic of China
9671	Unknown Factory, Peoples Republic of China
21215	Unknown Factory, Peoples Republic of China
04 (4)	Mechanische Werkstätten Köningswartha, East Germany
05 (5)	Spreewerke, Lübben, East Germany
07 (070)	Ammunitionsfabriken Karlsborg, (Nammo/Vanäsverken), Sweden (also FFV Vanasverken, Karlsborg)
26 (026)	A.B. Svenska Metallverken. Västerås, Sweden
27 (027)	Norma Projektilfabrik, Åmotfors, Sweden
3 IMPACT D	3-D Investment Co. Inc, Doniphan, Neb., USA
3-D	3-D Company Inc., (later 3-D Investments Inc and 3-D Ammunition and Bullets), Box J Mainstreet, Doniphan, NE 68332
3-D	3-D Investment Co. Inc, Doniphan, Neb., USA (at least some cases were made by Starline Inc., Covina, CA)
31 (031)	Unknown Factory, Peoples Republic of China
343, 343 in oval	Zaklad Produkcji Specjalnej Fabryki Maszyn Rolniczych, Wrocław-Pilczyce, Poland, as found on 7.62 x 25mm,7,62×39,7,62x54R ammunition. Found also with a circle around the numbers-7,62×25 only.
35 (035)	Svenska Metallverken, Blikstorp, Sweden (1954 to 1965)
501 (0501)	Unknown Factory, Peoples Republic of China
54,54 in oval	Zakłady Wytwórcze Sprzetu Instalacyjnego ” Poniatowa” Przedsiębiorstwo Państwowe Wyodrębnione w Poniatowej,Poland
60A	60th Arsenal, Kao Hsiung, Taiwan, Nationalist China
A	American Cartridge Company, Kansas City, MO
A	American Metallic Cartridge Co., South Coventry, CT
A	Pretoria Metal Pressing Ltd, Pretoria, RSA
A	On some batches of .30-06 steel cases. Frankford Arsenal,Philadelphia,
A	AEG, Berlin
A N	Lake City Ammunition Plant, Lake City, MO
A T 3	Unknown Factory, Yugoslavia (actually is ATZ in Cyrillic letters)
A-MERC	American Ammunition Co., 3545 NW 71st St, Miami, FL 33147 USA
A-ZOOM	Originally A-ZOOM Ammo, A division of Ready Products Corp., 4 Chrysler, Irvine CA 92618 (800-61READY). Currently owned and operated by Pachmayr, a division of Lyman Products, 475 Smith Street, Middletown, CT 06457
A&W	Allen & Wheelock, Worchester, MA
AA	Danish Government Arsenal (Ammunitionsarsenalet) Copenhagen, Denmark
AACo	American Ammunition Co., Oak Park, Ill., USA
AACo	American Ammunition Co., Oak Park, Ill.,
ABC	– American Buckle and Cartridge Co.,West Haven, Conn.,
ABT	American Ballistics Co., Inc. 1851 Canbdy Lane SW, Marietta, Georgia 30060
AC	Armeria F.A. San Cristobal, San Cristobal, Dominican Republic
ACCo	Austin Cartridge Co., Cleveland, Ohio,
ACE	Unknown-Perhaps CBC of Brazil
ACN	Amron Corp
ACN	Amron Corporation, Antigo Plant, Antigo, Wis., USA 20 – 30 mm carts, post
ACP	Arms Corporation of the Philippines, Parang, Marikina City, Metro Manila, 1800 Republic of the Philippines (formally Squires Bingham Co.-see SB)
AD	Komando Perindustrian TNI, Angkatan Darat, also known as Pabrik Senjata Mesiu, with ammunition factory at Turen, Maland, East Java (the Bandung facility is a small-arms factory)
AD	MAST Technologies, originally at Las Vegas, but now located at 14555 US Hwy 95 South, Boulder City, Nevada 89005, USA, on ammunition made for Abu Dhabi
ad	Patronen-Zündhütchen-u. Metallwarenfabrik, Aktiengesellschaft (formally Sellier & Bellot) ,Schönebeck/Elbe, Germany-WWII era
ADO	Allied Mechanical Production Corp.
AE	in Israel, for “Eretz Ayalon (Homeland production at Ayalon Factory), a pre-independence Underground factory in the basement of a laundry at Kibbutzim Hill, Rehovot, Israel
AEP	Anciens Établissements Pieper, Herstal, Belgium
AF	Small Arms Ammunition Factory No. 1 Footscray, Australia
AFF	Small Arms Ammunition Factory No. 1 Footscray, Australia
AGUILA	Industrias Tecnos S.A. de C.V., Kilometro 6 Carretera Cuernavaca-Tepoztlan, Cuernavaca, Morelos, México C.P. 62000 (formally Cartuchos Deportivos de México S.A.-see CDM)
AH (overlaid)	Csepel Arsenal near Budspest, Hungary
AI	Artillerie – Inrichtingen NV, (Now Eurometaal NV) P. O. Box 419, 1500 EH Zaandam, The Netherlands
AJA	Aerojet – Azusa CA
AJD	Aerojet Ordnance and Mfg. AJD (Aerojet, Downey CA)
AJD	Aerojet Ordnance Manufacturing Co., Downey, Calif., USA, post
AJL	Aerojet Sacramento CA
AJS	Aerojet – Solid rocket plant – Sacramento CA
ak	Munitionsfabriken (formally Sellier & Bellot), Prague with factory in Vlasim, Czechoslovakia, (Manufactured under German occupation)
AKS	AK Stamping Co.
ALAT	US Naval Air Station, Alameda, Calif., USA, solid steel dummy .50
ALK	Alliant Lake City Small Caliber Ammunition Company LLC.
am	Gustloff-Werke, Otto Eberhardt-Patronenfabrik (formally Hirtenberger Patronen Züundhütchen & Metallwarenfabrik A.-G.), Hirtenberg, Niederdonau, Austria (Manufactured under German occupation)
AMA	Danish Government Arsenal (Ammunitionsarsenalet) Copenhagen, Denmark
amf	ARMEEFORVALTNINGEN, Sweden Administrative branch
AMI	Anderson Munitions Inc., P.O. Box 2050, Cardova, TN 38088-2050 ( ca’ 1996-1998 P.O. Box 17383, Memphis, TN)
AML	ADCOM Manufacturing Ltd., United Arab Emirates.
AMRON	AMRON, Guld + Western Systems, Waukesha, WI 53186 USA — Amron Corporation div of Nasco International Inc.,Waukesha, Wis.,
AMT	AmmoTech (Ammutechse), Wierda Park, Centurion, Republic of South Africa
AMTECH	Amtech International Inc., 4142 Industrial Ave E., Cour d’Alene, ID 83814-2199
AMU	Army Marksmanship Unit, US
AN	Unknown American possibly CIA manufactured, .30-06 with 1940s
AO	Allegany Ordnance Plant, US
AO	Allegheny Ordnance Plant, Cumberland, Md.,
AOA	Asahi-Okuma Arms Co. Ltd., 5050 Asanimae-Cho, Owari-Asahi, Aichi, Japan 488 (after May 1961-Asahi-Seiki Manfacturing Co. Ltd,)
AOC	Bombrini Parodi Delfino, Rome, Italy on contract cartridges for Egypt
AP	Arms Corporation of the Philippines, Parang, Marikina City, Metro Manila, 1800 Republic of the Philippines (formally Squires Bingham Co.-see SB)
AP	Unknown Factory, France
APC	Austin Powder Co., McArthur, Ohio,
APW	Austin Powder Co., McArthur, Ohio,
AREX	AREX, Proizvodnja orodij, naprav in storitve d.o.o., Trubarjeva 7, 8310 Sentjenej, Slovenia
ARS	Atelier de Constuction de Rennes, Rennes, France
ARS	Unknown, possibly A. R. Sampson, Sampson Machine Wroks, Costa Mesa, CA
asb	Deutsche Waffen-u. Munitionsfabriken A.-G. Eichborndamm 107-127, Berlin – Borsigwalde, Germany – WWII
ASC	Probably Fábrica Nacional de Munições de Armas Ligeiras, Chelas, Portugal
ASC	Unknown American Military usually on 20 mm Oerlikon ammunition with 1940s
ASH	Alloy Surfaces Co., Inc.
ASJ	Alloy Surfaces Co., Inc.
ATK	Orbital ATK, Inc.
ATS	Atelier de Construction de Tarbes, Tarbes, France
aux	Polte, Werk Magdeburg, Poltestr. u. Fichtestr.,Magdeburg, Germany
auy	Polte, Werk Grüneberg (Nordbahn), Germany
AV FS	Probably Hirtenberger Patronen-, Zündhütchen-und Metallwarenfabrik A.-G., Hirtenberg, Niederdonau, Austria
AVR	Textron Defense Systems.
avu	Silva Metallwerke G.m.b.H., Genthin, Germany
AWA	A & W Allendorff, Sprengstoff-und Patronenfabrik, Schönebeck a. Elbe, Germany (After Aug 1, 1913
ay	Pirkl, Alois, Elektrotechnische-Fabrik, Ruppersdorfstr, 30, Reichenberg/Sud., Germany
aym	Povázské Strojárne Národný Podnik, Povázská Bystrica, Czechoslovakia
AYR	A/S Raufoss Ammunisjonsfabrikker, Raufoss, Norway
B	Berndorfer Metallwarenfabrik Arthur Krupp A.G., Berndorf, Niederdonau
B	Birmingham Metal and Munitions Co. Ltd., Birmingham, UK
B	Braun & Bloem, Dusseldorf, Germany
B	Durjava Voenna Fabrika (D. V. F.), Kazanlak, Bulgaria.
B	Leon Beaux & Co., Milan, Italy
B	Pirotecnico di Bologna, Bologna, Italy
B	Found on US .30-06 made at Frankford Arsenal (FA) in conjunction with a number. It indicates the use of a Berdan primer, the number signifying the primer
B N	Lake City Ammunition Plant, Lake City, MO
B T 3	Unknown Factory, Yugoslavia (actually Cyrillic letters VTZ
B-WEST	B-West Inc., Tucson, Arizona (produced in Russia by Tula)
B, <B>	Bridgeport Brass Co., Bridgeport, Conneticut, USA
BAO	Durjava Voenna Fabrika (D. V. F.), Kazanlak, Bulgaria
BB	Bertram Bullet Co. Pty. Ltd., 200 Goulburn Valley Highway, Seymour, Victoria, 3660, Australia
BB	Braun & Bloem, Dusseldorf, Germany
BBC	Bridgeport Brass Co., Bridgeport, Conn., USA, on .50 Browning High Velocity experimental and 20mm Hispano-Suiza
BBC B.B.C.	Bridgeport Brass Co., Bridgeport, Conneticut, USA
BBM	BBM Corporation, 221 Interstate Drive, West Springfield, MA 01089
BBS	Barnes Bullets, LLC.
BCG	Saab Bofors Dynamics AB, Sweden (Saab Dynamics AB since 2010).
BD	Hall’s Telegraph Co., Burghfield, UK
BDB	Bridgeport Brass Co., division of National Distillers Inc., Bridgeport, Conn., USA, post
BE	Royal Ordnance Factory, Blackpole, UK
BE	Benson & Engstrom Cartridge Co.,Minneapolis, Minn.,
BEAUX	Leon Beaux & Co. S.p.A., Via Dante, 14, Milano, Italy (address ca’ 1956—1929 address
BEST SHOT	Target Products Inc., Grand Rapids, MI, USA
BF	Bakelittfabrikken A/G, Aurskog, Norway
BF	Fábrica Nacional de Munições de Armas Legeiras, Chelas, Portugal
BF	Nammo Bakelittfabrikken AS, Norway.
BFF	Best Foam Fabricators, Inc.
BFL	Bristol Flare Corp., Bristol, Pa.,
BHA	Black Hills Ammunition, 3050 Eglin St, Rapid City, SD 57703-9574, USA
BLH	Black Hills Ammunition.
BM	British Munitions, UK
BM	Bullet Master, 1515 Moo 4 Soi Kwang Rung Kwang Lot, Theparak Road, Samrong Nua, Samutprakarn 10270, Thailand
bne	Metallwerk Odertal G.m.b.H., Odertal (Post Lautaberg/Harz, Germany
bnf	Metallwerk Wolfenbüttel G.m.b.H., Halchterstr. 2l, Germany
BO WAY	BOWAY Gun Company, 41 Broadway, Glenelg, South Australia, Australia
BOF	Bangladesh Ordnance Factory, Bangladesh
BPD	Bombrini Parodi Delfino, Rome, Italy
BPE	Unknown
BPS	Boland Production Supply, Winter Haven, FL, USA
BROWNING	Browning Arms Company, Route #1, Morgan, Utah 84050
Buffalo Rock	Buffalo Rock Shooters Supply, Route 1, Ottawa, WI 61350 (on cases made by Starline)
BUL	Bulova Technologies Ordnance Systems, LLC.
BULLSEYE	Unknown-found on 38 Special in Hong Kong China
bxn	Sellier & Bellot, Prague, Czechoslovakia, Factory in Zbrojovka Vlàsim,
BYS	MAC, LLC.
byw	Johannes Schaefer, Stettiner Schrauben-werk, Stettin, Germany
C	Creedmore Cartridge Co., Barberton OH
C	Munitionsfabrik Cassel, Cassel, Germany
C	Pirotecnico Dell’Esercito Capua, Capua, Italy
C	С = S = Simbirsk Cartridge Works No. 3 (also called 3rd Simbirsk Cartridge Works). Today’s Ulyanovsk Cartridge Works.
C N	Lake City Ammunition Plant, Lake City, MO
C-B	COR-BON, 1311 Industrial Rd, Sturgis, SD 57785
C-P	Crompton Parkinson Co. Ltd, Doncaster, Yorkshire, U.K.
CAC	Colonial Ammunition Co., Footscray, Australia
CAC	Colonial Ammunition Company, Auckland, New Zealand
CALGARY P.S.	Olin Corp., East Alton, IL 62024, USA (for the Calgary Police Services in Canada)
CAVIM	Compañía Anonima Venezolana de Industrias Militares, Apartado Postal
CB	Cartoucherie Belge, Liege, Belgium
CB	Unknown American Military, found on 20mm Hispano dated
CBB	Companhia Brasilera de Cartuchos, Brazil.
CBC	Companhia Brasileira de Cartuchos, Avenida Industrial No 3330, Santo Andre, Estado de Sâo Paulo, Brazil (ca’1997
CCC	Canyon Cartridge Company, 141 Albertson Ave, Albertson, NY
CCC	Creedmoor Cartridge Co., Barberton, OH
CCI	Cascade Cartridge Internacional S.A. de C.V., KM. 419.45 Carretera Central, San Luis Potosi, Mexico (Partially owned by CCI of the USA from mid 1960s to early 1990s)
CCI	Omark Industries, CCI-Speer / Sporting Equipment Division, Lewiston ID 83501 USA
CCI	Cascade Cartridge Co, Lewiston, Idaho,
CDL	C D Leet, Springfield, MA
CDM	Cartuchos Deportivos de México, S.A., Kilometro 6 Carretera Cuernavaca -Tepoztlan, Cuernavaca, Morelos, México, C.P. 62000 (now Industrias Tecnos-see AGUILA)
cdp	Theodor Bergmann & Co., K.-G., Waffen- und Munitionsfabrik, Werk Bernau, Kleistrasse 21, Berlin W 62, Germany
CF	Cartoucherie Française, Paris, France
CG	ofors Carl Gustaf AB, (Formerly FFV Förenede Fabriksverken), Vanäsverken, Karlsborg, Sweden (and since 1998, NAMMO Vanäsverken. Carl Gustaf name is no longer used, but “CG will continue to be used as a headstamp)
cg	Finower Industrie G.m.b.H., Finow/Mark, Germany
ch	Fabrique Nationale D’Armes de Guerre (FN), Herstal, Belgium, Under German occupation and management by Deutsche Waffen-u. Munitionsfabriken A.-G.
CHAMPION	Unknown (cases made by Starline)
CI	Cascade Cartridge Internacional S.A. de C.V., KM. 419.45 Carretera Central, San Luis Potosi, Mexico (Partially owned by CCI of the USA from mid 1960s to early 1990s)
CIS	Unknown Factory, Singapore
CJ	China North Industries Corp., (NORINCO), 7A Yue Tan Nan Jie, Beijing, Peoples Republic of China
CMB	Manurhin, France for Brazil
CMC	Uzinale Metalwrgica di Corsa Mica SI, Cugir, Romania
CMO	Clymer Machine Corp., Trumbauersville, Pa., USA, post
CN	China North Industries Corp., (NORINCO), 7A Yue Tan Nan Jie, Beijing, Peoples Republic of China
CN	Unknown Factory, France
CN	Unknown US Military, may be CIA
CNI	National Conduit and Cable Co., Hastings on Hudson, NY., USA, on .30-06
CNIC	China North Industries Corp., (NORINCO), 7A Yue Tan Nan Jie, Beijing, Peoples Republic of China
COLT	Colt Inc, Military Arms Division, 150 Huyshope Ave., Hartford, CT 06102 and also Colt’s Patent Firearms Manufacturing Co., Inc., P.O. Box 1868, Hartford, CT 06144
COP	Chemring Ordnance, Inc., Perry, Florida.
COR-BON	COR-BON, 1311 Industrial Rd, Sturgis, SD 57785
CP	Crompton Parkinson Co. Ltd, Guiseley, Yorkshire, U.K. (1939-1945)
CPM	Canadian Professional Munitions Ltd., 300 Railway St., Raymond, Alberta T0K 2S0, Canada
CRB	Cartoucherie Russo-Belge, Liege, Belgium
CRG	‘Chemical Rifle Grenade’: found on US .30-06 blank with FA
CROWN	Crown Aircartridges Ltd., P.O. Box 25, Bexhill upon Sea, East Sussex, TN39 4QB, England, UK
CSY	Avco Ordnance Division, Richmond, Ind., USA, post
CT	Società Metallurgica Italiana, Campo Tizzoro, Italy (CT = Campo Tizzoro)
CTMCo	Crittenden-Tibbals Manufacturing Co., South Coventry, CT
CTP	Connecticut Cartridge Corp., Plainville, Conn., USA, post
CV	Cartoucherie Voltaïque (CARVOLT), Ouagadoudou, Rèpublique Voltaïque (formally Upper Volta)
CW	When found with Lake City (LC) headstamp indicates the use of cold worked metal for case
CWG	‘Chemical Warfare Grenade’: found on US .30-06 blank with FA
CZO	Weapons and ammunition factory Zbrojovka Vsetín, Czech Republic
D	Dominion Cartridge Co., Montreal, Quebec, Canada
D	Dum Dum Arsenal, Calcutta, India
D	E. I. Du Pont de Nemours & Co. Wilmington DE
D	Gustav Genschow & Co., Durlach, Germany
D	Königliche Munitions Fabrik, Dresden Royal Munitions Factory (Government Facility), Dresden, Germany
D&C	Dreyse & Collenbusch, Sommerda, Germany
D&S	D & S Manufacturing Inc., Route 1, Box 381, Passadumkeag, Maine 04475
D22	Unknown Factory, Peoples Republic of China
d53	Unknown Factory, Peoples Republic of China
DA	Dominion Arsenal, Québec, Canada
DAC	Dominion Arsenal, Québec, Canada
DAG	Dynamit Nobel A-G, Troisdorf, Germany, (previously Geco and DNG Gustav Genchow, Karlsruhe)
DAL	Dominion Arsenal, Lindsay, Ontario, Canada
DAQ	Dominion Arsenal, Québec, Canada
DC	Dominion Cartridge Co. Ltd., Brownsburg, Québec, Canada
DCA	Dominion Arsenal, Québec, Canada
DCCO	Dominion Cartridge Co. Ltd., Montreal, Quebec, Canada
DDDD	DUDS Ammunition and Supply Co., PO Box 363, Barton, Vermont 05822
de	Hugo Schneider A.-G., Werk Leipzig, Germany
DEI	Dela Enterprises Inc., Coolidge, Ariz.,
DEM	Des Moines Ordnance Plant, Des Moines, Iowa
DEN	Denver Ordnance Plant, Denver, CO
DEN	Denver Ordnance Plant, Denver, Colo., USA. Operated by Remington Arms Co from Oct 1941 to Jul 1944 producing .30-06
DES	Unknown.
DF	Dum-Dum Arsenal, Calcutta, India
DFA	Delta Frangible Ammunition LLC (Formally Delta Defense Inc.), 1235 Jeff Davis Highway Suite 710, Arlington, VA 22202
DGSN	Direction Générale de la Sûreté Nationale, (National Police), Morocco
DI	Defence Industries Ltd., Canadian Industries Ltd, Park Avenue Plant, Montreal, Canada
DM	Des Moines Ordnance Plant, Des Moines, Iowa
DM	Deutsche Waffen-u. Munitionsfabriken A.-G., , Früher Lorenz , Karlsruhe, Germany
DM	Des Moines Ordnance Plant, Des Moines, Iowa, USA Operated by US Rubber Co from Jan 42 to July 1945, .30-06 and .50
DMK	Deutsche Waffen-u. Munitionsfabriken A.-G., (Previously Deutsche Metall-Patronen-Fabrik), Karlsruhe, Germany
dnb	Borck u. Goldschmidt, Mechanische Werk-stätten für Telegrafie und Telefonie, Berlin 0 l7, Fruchstrasse l-2, Germany
DND	Dynamit Nobel Defence GmbH, Germany.
dnf	Rheinisch-Westfälische Sprengstoff A.-G., Werk Nürnberg-Stadeln, Germany
DNG	Dynamit Nobel A.-G., Troisdorf, Germany, (Previously Geco and later DAG, Gustav Genchow, Karlsruhe)
dnh	Rheinisch-Westfälische Sprengstoff A.-G., (Previously Gustav Genschow & Co. ) Werk Durlach, Germany .
Do	G. C. Dornheim Suhl
dom	Westfälische Metall-Industrie A.-G., Lippstadt, Germany
DOMINION	Dominion Ammunition Division, Canadian Industries Ltd, Montreal, Quebec Canada
dou	Waffenwerke Brünn A.-G., Werk Povázská Bystrica, formally Czech National Arms and Ammunition Factory, Povázská Bystrica, Czechoslovakia under German occupation
DPS	Unknown American, on 20 mm Hispano with wartime
DRS	Dansk Rekylriffel Syndikat, Copenhagen, Denmark
DSE	DSE, Inc.
DSL	Unknown.
DTC	Safariland, LLC.
DURA	Dura Division of Detroit Harvester Corp., Toledo, Ohio, USA, on 20mm Oerlikon and Hispano
DWA	Deutsche Werke A.-G., Berlin, Germany
DWM B	Deutsche Waffen-u. Munitionsfabriken A.-G., Berlin – Borsigwalde, Germany
DWM H	ederlandsche Wapen-en Munitiefabriek NV., “DE KRUITHOORN, ‘s-Hertogenbosch, Netherlands
DWM K	Deutsche Waffen u. Munitionsfabriken, Karlsruhe, Germany
DWM L	Deutsche Waffen-u. Munitionsfabriken A.-G., (Previously Deutsche Metall-Patronen-Fabrik), Lübeck, Germany
DZ	Unknown Factory, Poland
E	Eley Brothers, Ltd., London, England
E	Yokosuka Naval Arsenal, Japan (character is a backwards E and is YO in Japanese)
E & G	Ehrich & Graetz Berlin
E K	Greek Powder and Cartridge Co., Athens, Greece
EAS	Hellenic Defense Systems S.A., Greece.
EB	Eley Brothers, Ltd., London, England
eba	Metallwarenfabrik Scharfenberg-u. Teubert G.m.b.H., Breitungen-Werra Germany
EBD	Ensign-Bickford Aerospace & Defense Co.
EBO	Hellenic Arms Industry S.A., Greece.
EC	Eau Claire Ordnance Plant, Eau Claire, WI
EC	Evansville Ordnance Plant (Chrysler), Evansville, OH
EC	Eau Claire Ordnance Plant, Eau Claire, Wis., USA. Operated by US Rubber Co using EC headstamp in August and September 1942 covering .30 carbine and .45 ACP
EC	Evansville-Chrysler Ordnance Plant, Evansville, Ind., USA. Operated by Chrysler Corporation from June 1942 to April 1944 producing .30 carbine and .45 ACP
ECCC	Metallwerk Elisenhütte GmbH., Nassau / Lahn, Germany for the European Cartridge Collectors Club
ECS	Evansville Chrysler, Sunbeam Ordnance Plant, Evansville, Indiana.
ECS	Evansville Ordnance Plant ( Sunbeam Refrigerator Co.), Evansville, Ind., USA. Operated 1942-44, principal product was steel .45
edq	Deutsche Waffen-und Munitionsfabriken A.-G., Lübeck-Schlutup, Weslörstrasse, Germany
EDT	Esterline Defense Technologies.
eej	Märkisches Walzwerk G.m.b.H., Strausberg Bez. Potsdam, Germany
eey	Metallwarenfabrik Treuenbritzen G.m.b.H., Werk Röderhof, Germany
EHUC	Electric Household Utilities Corporation, Chicago, Illinois.
EID	Établissements Industriels de Défense, Damascus, Syria
EIGN	Unknown Factory, Yugoslavia
EK	Eastman Kodak, Rochester, NY., USA. On 20mm Oerlikon 1944 –
EK	Edward Katzinger Co, EK Products Co, Chicago Ill
ELD	Eldorado Cartridge Co., Boulder City, Nevada 89005-0308 (wholly owned by Pan Metal Corp. (PMC) of Poongsan, Korea)
ELEY	Arms Corporation of the Philippines, (formally Squires Bingham Co.) Marikina, Republic of the Philippines
ELEY	Eley Brothers, Ltd., London, England
ELP	SIPR Défense, France.
emp	Dynamit A.-G., Werk Empelde, (formally Alfred Nobel & Co.), Empelde, Germany
EMZ	Eurometaal-Zaandam. Zaandam, Netherlands
ENK	Greek Powder and Cartridge Co., Athens, Greece
eom	H. Huck Metallwarenfabrik, Nürnberg, W., Gostenhofer Hauptstrasse 61/63, Germany
EW	Eau Claire Ordnance Plant, Eau Claire, WI
EW	Eau Claire Ordnance Plant, Eau Claire, Wis, USA. Operated by US Rubber Co from August 1942 to December
EX	On Frankford Arsenal (FA) .30-06 cases indicating Extruded
EXP	– On Frankford Arsenal (FA) .30-06 cases indicates Non Corrosive Primer,
F	Frister & Rossmann, Berlin
F	Cartoucherie Française, Paris, France
F	Fábricas y Maestranzas del Ejército, Santiago, Chile
F	Frankford Arsenal, Philadelphia, PA
F	Giulio Fiocchi, Lecco, Italy
F	P.W. U. Fabryka Amunicji, Skarzysko-Kamienna, Poland
F	Small Arms Ammunition Factory No. 1 Footscray, Australia
F	– Frost & Co, Kenosha, Wis.,
F	Federal Cartridge Co., Anoka, Minn.,
F	Frankford Arsenal, Philadelphia, Pa., USA. On experimental steel cases
F DE C	Fábrica de Municiones del Ejército, Lima, Perú
F DE M	ábrica Nacional de Municiones, Santa Fe, México (near Mexico City) Note
F TC I	Fabrikalar Iskenderun, Türkiye Cumhuriyeti, (Iskenderun Factory, Turkish Republic)
FA	Frankford Arsenal, Philadelphia, PA
FA	Frankford Arsenal, Philadelphia, Pa.,
faa	Deutsche Waffen-und Munitionsfabriken A.-G., Karlsruhe, Germany
FAHP	Frankford Arsenal, High Pressure – US proof
FAL	Frankford Arsenal Laboratory, found on experimental ammunition notably steel cased .30-06 with 1942-43
FAMAE	Fábricas y Maestranzas del Ejército, Santiago, Chile
FAMAP	Fábrica Argentina Militar de Munición de Armas Portátiles, San Lorenzo, Argentina
FAME	Fábrica de Municiones del Ejército, Lima, Perú
FAMMAP	Fábrica Argentina Militar de Munición de Armas Portátiles, San Lorenzo, Argentina
FANM	Frankford Arsenal , National Match competition grade ammunition in
FAPS	Frankford Arsenal Pyrotechnic Signal. Found on .30-06 crimped blank
FAS	abryka Amunicji, Skarzysko, Skarzysko-Kamienna, (later “HASAG under German occupation)
fb	Mansfeld A.-G., Abt. Metallwarenfabrik, Werk Rothenburg/Saale, Germany
FC	Departmento de la Industrial Militar, Mexico City, Mexico
FC	Federal Cartridge Corp., Anoka, MN 55303 (also produced in Germany and Austria for Federal)
FC	Prvi Partizan, Titovo, Uzice 31000, Yugoslavia
FC	Federal Cartridge Co., Anoka, Minn.,
FCA	Federal Cartridge Co., Anoka, Minn., USA, post
FCI	Fabrica de Cartuchos de Itajuba, Minas Geraia, Brazil
FCK	Federal Cartridge Co., Anoka, Minn.,
FCPQ	Fábrica De Cartuchos e Pólvoras Quimicas, Chelas, Portugal
FDCo	Frank Draper & Co.,
fer	Metallwerk Wandhofen G.m.b.H., Schwerte/Ruhr, Germany
FFV	Förenede Fabriksverken, Karlsborg, Sweden
FIOCCHI	Giulio Fiocchi, Lecco, Italy
FLB	ábrica Militar “Fray Luís Beltran, San Lorenzo, Argentina
FM	Établissements Industriels de Défense, Damascus, Syria
FM	Fábrica Militar de Cartuchos de San Lorenzo, San Lorenzo, Argentina
FM	Fábrica Nacional de Municiones, Santa Fe, México (near Mexico City)
FM FLB	Fábrica Militar Fray Luis Beltran, San Lorenzo, Argentina
FMC SL	ábrica Militar de Cartuchos de San Lorenzo, San Lorenzo, Argentina (formally Fábrica Militar de Munición de Armas Portátiles “Borghi)
FMCSF	Fábrica Militar de Cartuchos San Francisco, San Francisco, Argentina
FME	Fábricas y Maestranzas del Ejército, Santiago, Chile
FMEP	Fábrica de Municiones del Ejército, Lima, Perú
FMG	Fábricas y Maestranzas del Ejército, Santiago, Chile
FMMAP B	ábrica Militar de Munición de Armas Portátiles “Borghi, San Lorenzo, Argentina
FMMAP SF	Fábrica Militar de Munición de Armes Portátiles San Francisco, San Francisco, Argentina
FMSF	Fábrica Militar de San Francisco, San Francisco, Argentina
FMSL	Fábrica Militar San Lorenzo, San Lorenzo, Argentina
FN	Fabrique Nationale d’Armes de Guerre (FN), Herstal, Belgium
FNB	Fabrique Nationale Herstal, Herstal, Belgium
FNC MEXICO	Fábrica Nacional de Cartuchos, Santa Fe, México (near Mexico City)
FNCM	Fábrica Nacional de Cartuchos e Munições, Sao Paulo, Brazil
FND	Susquehanna Corp., Ordnance Division ( formerly the US Flare Co.), Saugus, Calif.,
FNM	Fábrica Nacional de Municiones, Santa Fe, México (near Mexico City)
FNM	Fábrica Nacional de Munições de Armas Ligeiras, Chelas, Portugal
FNM	Unknown Factory, Mexico
FNP	Fábrica Nacional de Palencia, Spain
FNT	Fábrica Nacional de Toledo, currently known as Empresa Nacional Santa Barbara de Industrias Militares, SA Toledo, Spain
FOMU	Fabryka Oruzja i Municje, Prvi Partizan, Uzice, Serbia, Yugoslavia
FP	Unknown Manufacturer-on 7.62mm NATO cartridge from Central Africa
FR	Fábrica do Realengo, Rio de Janeiro, Brazil
FRONTIER	Frontier Cartridge Company Inc., Grand Island, NE 68801
fva	Draht-u. Metallfabriken G.m.b.H., Salzwedel, Germany
FVV&C	Fitch Van Vechten & Co., New York, NY
G	Federal Cartridge Corp., Minneapolis, MN
G	WMF, Geislingen/Steige
G	Gévelot S. A., (Sociètè Française des Munitions), Paris, France
G	Greenwood & Batley Ltd, UK
G B	Deutsche Waffen-u. Munitionsfabriken A.-G., Karlsruhe, Germany
G C CO	Graphite Cartridge Company, Washington, DC
G D	Gustav Genschow & Company, Durlach, Germany
G F.1	Government Cartridge Factory N°1, probably Enfield, UK 1918 headstamp
G F.3	Government Cartridge Factory N°3, probably Sparbrook, UK 1918 headstamp
GA	Grenfeil & Accles Ltd., Birmingham, UK
GA	Unknown Factory, Singapore (note that this is probably a date code since Singapore used GG for 1977 and GH for 1978
GB	Greenwood & Batley Ltd, UK
GBF	Greenwood & Batley Ltd, UK
GCCo	Graphite Cartridge Co., Washington, DC, USA, on .30-06
GD	Dynamit Nobel A.-G., Troisdorf, Germany (formally Geco and DNG Gustav Genschow, Karlsruhe)
GDB	General Dynamics Ordnance and Tactical Systems, Inc., Vermont Operations.
GDL	General Dynamics Ordnance and Tactical Systems – Canada, Inc., Canada.
GDS	General Dynamics Ordnance and Tactical Systems, Inc.
GE	General Electric, Cleveland, OH
GE	Georg Egestorff, Linden, Germany
GE	General Electric Co of America, Cleveland, Ohio, USA. On experimental .30-06 steel and brass cases with 1942 – 45
Ge D	Gustav Genschow & Company, Durlach, Germany
GEA	Guilford Engineering Associates Inc., 332 Stepstone Hill Road, Guilford, Conn. 06437
Geco	Dynamit Nobel A/G, Troisdorf, Germany
Geco	Gustav Genschow & Company, Durlach, Germany
GEVELOT	Gévelot S. A., (Sociètè Française des Munitions), Paris, France
GF	G. Egestorff, Linden, Germany
GFL	Giulio Fiocchi, Lecco, Italy
GG&Co	Gustav Genschow & Company, Durlach, Germany
GI	Dynamit Nobel A/G, Troisdorf, Germany
GKB	George Kynoch, Birmingham
GLN	Galion
GM	Metallwarenfabrik Göggl, Moosach/München
GMC	Globe Manufacturing Co.,
GPC	Greek Powder & Cartridge Company, Athens, Greece
GR	George Roth & Co., Austria. The letters “GR usually appear in trademark-style, with the letters intertwined
GSF	Unknown Factory, France—used under German occupation in 1944.
GSI	GTI Systems, Inc.
GT	Gevelot S.A.,Paris, France on cartridges made for Pakistan in 1950-1960
GTA	Unknown.
H	Hirtenberger Patronen-, Zündhütchen-und Metallwarenfabrik A.-G., Hirtenberg, Niederdonau, Austria
H	Rheinische Metallwaren und Maschinenfabrik, Dusseldorf, Germany
H	Winchester Repeating Arms Co., New Haven, CT
H&F	Hardy & Fils S.A., 251 Av. Louis, 1050 Bruxelles, Belgium
HA	Danish Government Arsenal (Ammunitionsarsenalet), Copenhagen, Denmark
HA	Harvey Aluminium Corp, Torrance, Calif., USA. On 20mm with 1960s
HALGER	Rheinisch-Westfälische Sprengstoff A.-G., Nürnberg-U. Germany for Halbe & Gerlich, Hamburg (1922-1929)
HASAG	Hasag Eisen u. Metallwerke G.m.b.H., Werk Skarzysko-Kamienna, Poland, 1939-1945, (formally Fabryka Amuniciji, Skarzysko, Kamienna)
HCC	Prvi Partizan, 31000 Titovo, Uzice, Yugoslavia for the Hansen Cartridge Company, Southport CT
HERTER’S	Herters Inc., Waseca, MN (produced in Sweden)
hhw	Metallwerke Silberhütte G.m.b.H., St. Andreasberg i/Harz, Germany
HI-PER	Hi-Performance Cartridge Corp., 133 Blue Bell Rd, Greensboro, NC 27406
HIA	Alliant Techsystems, Inc., Allegany Ballistics Laboratory.
HK	H. Huck Metallwarenfabrik, Nürnburg, Germany
HL	Haerens Laboratorium, Copenhagen, Denmark from 1912 – 1937
hla	Metallwarenfabrik Treuenbritzen G.m.b.H., Werk Sebaldushof, Germany
hlb	Metallwarenfabrik Treuenbritzen, G.m.b.H., Werk Selterhof, Germany
hlc	Zieh-und Stanswerk G.m.b.H., Werk Schleusingen/Thür., Germany
HMC	Harcord Mfg Co. Inc., Jersey City, NJ., USA, post
HN	Royal Ordnance Factory, Hirwaun, UK
HN	H. Huck, Nürnberg
HOWITZER	Howitzer Products Limited, Blocks 1-5 Besselsleigh, Abingdon, Oxford OX13 5PZ England (cases produced in US by Starline)
HP	Hirtenberger Patronen-, Zündhütchen-und Metallwarenfabrik A.-G., Hirtenberg, Niederdonau, Austria
hrn	Presswerk G.m.b.H., Metgethen, Ostprussia, Germany
HXP	Greek Powder & Cartridge Company, Athens, Greece
I	Jubbelpore Arsenal, Jubbelpore, India
IAC	Unknown Factory, West Germany ca’1965
ICI	Kynoch Works, Imperial Chemical Industries Ltd., Birmingham, UK
IFS	International Flare & Signal Co., Tippecanoe City, Ohio, USA, on signal carts 1941 –
IIA	Explosive Devices Inc., Picayune, Miss.,
IK	Igman Zavod, Konjic, Yugoslavia
ILL..G	On .30-06 blank with FA headstamp indicates discharger cart for illuminating grenade 1917 –
IM	Industria Militar, Bogota, Colombia
IMG	Industrias Militares de Guatemala, Guatemala
IMI	Israel Military Industries, Tel Aviv, Israel
IMPA	Industries Metallurgica y Plastica, Argentina
IMPERIAL	Industries Valcartier Inc., Valcartier, Quebec, Canada
INDUMIL	Industria Militar, Bogota, Colombia
INTERARMCO	Fabrique Nationale Herstal, Herstal, Belgium for Interarmco of Virginia, USA
IVI	Industries Valcartier Inc., Valcartier, Quebec, Canada
IWK	Industrie Werke Karlsruhe (formally DWM), Karlsruhe, Germany
J	Birmingham Metals & Munitions Co./Nobel, Birmingham, UK
J	are basically interchangeable in German. Archaic spelling of this arsenal was “Jngolstadt.
J	Hauptlaboratorium Jngolstadt
J-A0A	Asahi-Seiki Manufacturing Co. Ltd., (until 1961, Asahi-Okuma Arms Co. Ltd) ,5050 Asahimae-cho, Owari-Asahi. Asahi, Japan 488
J-AO	Asahi-Seiki Manufacturing Co. Ltd., (until 1961, Asahi-Okuma Arms Co. Ltd) ,5050 Asahimae-cho, Owari-Asahi. Asahi, Japan 488
J-CH	Chuo-Kayaku-Kayo-Kaisha Co. , Japan
J-N S	Japan
J-ST	Showa-Kayaku, Inc., Totsuka, Japan
J-TE	Toyo Seiki Manufacturing Co., Ltd. Japan
JE	China North Industries Corp., (NORINCO), 7A Yue Tan Nan Jie, Beijing, Peoples Republic of China
JJS	John J. Steuby Co.
JKS	JKS Industries, Inc.
JR	J. Roth, Bratislava, Czechoslovakia
K	Karlsborg Arsenal, Karlsborg, Sweden
K	Keller & Co, Hirtenberg
K	Kirkee Arsenal, Poona-3, Kirkee, India
K	Kynoch Factories, Imperial Chemical Industries Ltd., Birmingham, England
K	Probably Kaunas Arsenal, Kaunas, Lithuania
K-1	Unknown Factory, Republic of Korea (probably the Army Arsenal in Dongrae before it was purchased by PMC in 1982)
K2	Kynoch (I.C.I.), Standish, UK (1943-1944)
K4	Kynoch (I.C.I.), Yeading, UK (1942-1944)
K5	Kynoch (I.C.I.), Kidderminster, UK (1944)
KA	Pusan Government Arsenal, Pusan, Republic of Korea
kam	Hasag Eisen u. Metallwerke G.m.b.H., Werk Skarzysko-Kamienna, Poland 1939-1945, (formally Fabryka Amuniciji, Skarzysko, Kamienna)
KBW	Kathodion Bronze Works, Nyack, NY., USA, on .30-06 and 7mm Serbian
KC (K&C)	Keller & Co., Hirtenberg, Austria
KDO	Kaman Dayron, Inc.
KF	Kirkee Arsenal, Poona-3, Kirkee, India
KFA	Kilgore Ammunition Products.
KH	Khamaria Arsenal, Khamaria, India
KN	Kings Norton Metal Co. Ltd, Abbey Wood, Kent, UK
KO	Olin Mathieson Chemical Corp, Winchester Western Diviision, La Porte, Ind., USA. On 20mm and
KOF	Kenya Ordnance Factory, Kenya
KOPP	KOPP TZP sro, 671 56 Pavlice, Czech Republic (made in Russia)
KP	Lapuan Patruunatehdas, Lapua, Finland.
KS	Allegany Ordnance Plant (operated by Kelly-Springfield Tire Co.), Cumberland, MD, USA
KS	Allegheny Ordnance Plant, Cumberland, Md., USA. Operated by Kelly Springfield Tire Co from Nov 1942 to Sept 1943, made .50 Browning
KTW	KTW Inc., Lorain, Ohio, (later North American Ordnance Corp, Pontiac, Michigan)
KYNOCH	Kynoch Factories, Imperial Chemical Industries Ltd., Birmingham, England
L	Lapuan Patruunatehdas, Lapua, Finland
L	Lignose A.-G., Berlin, Germany
L	Lindener Zündhütchen-und Thonwarenfabrik, Hannover, Germany
L	Lorenz Patronenfabrik (Ammunition & Ordnance Co.), Karlsruhe, Germany
L	Lowell Cartridge Co., Lowell, Mass.,
L Y	China North Industries Corp., (NORINCO), 7A Yue Tan Nan Jie, Beijing, Peoples Republic of China
LAC	Dominion Arsenal, Lindsay, Australia
LAPUA	Lapuan Patruunatehdas, Lapua, Finland
LB	Leon Beaux & Company, Milan, Italy
LB	Longbow Inc., PO Box 624, Burns Flat, OK 73624
LBC	Leon Beaux & Company, Milan, Italy
LC	Lake City Ammunition Plant, Lake City, MO
LC	Måtravidèki Fèmmüvek, H-3332 Sirok, Hungary, for
LC	Lake City Army Ammunition Plant, Independance, Mo., USA.Operated under contract by Remington as Lake City Ordnance Plant from Sept 1941 to August 1945, on .30-06, .30 carbine and .50
LDF	Liberty Display Fireworks Co., Danville, Ill., USA on US service pyrotechnic carts 1941 –
LE	Giulio Fiocchi, Lecco, Italy
LEW	Ammunition Accessories Inc. (same address as SEL/Blount, Inc., Sporting Equipment Division).
LIBRA	Libra, 67153 Jevišovice 234-CR, Czech Republic
LM	Cartoucherie du Mans, Le Mans, France
LM	Lowell Ordnance Plant, Lowell, MA, USA (1942-1943)
LM	Lowell Ordnance Plant, Lowell, Mass.,USA. Operated by Remington under contract from Nov 1942 to Dec 1943, on .50 brass and steel
lpk	Servotechna A.-G., Prague, Czechoslovakia under German occupation
LPT	Lapua, Finland.
LRS	Lead Recovery Systems, Inc., (a division of 3-D Co.), Doniphan, Nebraska
LTE	L-Tech Enterprises, Inc.
LVE	Novosibirsk Low -Voltage Equipment Plant Plc., 30A, Stantsionnaya St, Novosikirsk, 630108, Russia
M	Ammunitionsfabriken Marieberg, Stockholm, Sweden
M	Birmingham Metals & Munitions Co./Nobel, Birmingham, UK
M	Milwaukee Ordnance Plant, Milwaukee, WI, USA (1942-1943)
M	Munizioni e Cartucce Martignoni, Genoa, ItaLY
M	Standard Electrica, Madrid, Spain (during Spanish Civil War-on 9x19mm)
M	Milwaukee Ordnance Plant, Milwaulkee, Wis., USA. Operated by US Rubber Co from August 1942 to December 1943, on .50
M M	Musgrave Manufacturers and Distributors (Pty) Ltd, P O Box 183, Bloemfontein, Republic of South Africa
M&D	M&D Munitions Ltd., Farmington, Long Island, New York 11735
M&S	Klaus Mayer & Sons, Arnsberg and Neheim-Husten, Germany
M+FA	Government Factory, Altdorf, Switzerland
MA	Probably Mukden Arsenal, Mukden China (from the 1920s)
MAL	Syarikat Malaysia Explosives Ltd., Batu-Arang, Malaysia
MANUCAM	Manufacture Camerounnaise de Munitions, Cameroon
MASTER	Master Cartridge Co. (now Georgia Arms), Villa Rica, GA
MAXIM	Maxim Munitions Corp., Waterton, NY
MAYER	Klaus Mayer & Sons, Arnsberg and Neheim-Husten, Germany
MCM	McLearn’s Custom Machines, Claremore, Oklahoma
MCM	Munizioni e Cartucce Martignoni, S.p.A., Genoa, Italy
MDP	Marine Lumber Co.
MDS	The Boeing Company, St. Louis, Missouri.
ME	Metallwerk Elisenhütte G.m.b.H., Nassau, Lahn, Germany
MEN	Metallwerk Elisenhütte G.m.b.H., Nassau, Lahn, Germany
MEP	MEP SPOL. S.R.O., Predni KoPanina 61, 164 00 Prague 6, Czech Republic
MESKO	Abbreviation for Marka Export Solidnosc Konkurencyjnosc Otwartosc. The company name is Zaklady Metalowe MESKO, Skarzysko-Kamienna, Poland
METALLVERKEN	AB Svenska Metallverken A.B., Stockholm, Sweden
MEXICO	Fábrica Nacional de Municiones, Santa Fe, México (near Mexico City)
MF	Small Arms Ammunition Factory No. 1 Footscray, Australia
MFS	Magyar Löszergyártó Kft., Mátravidéki Fémmüvek, H-332 Sirok, Hungary
MFS	Munitions Factory, Sundari, Nepal
MFT	Munitionsfabrik Thun, Thun, Switzerland
MG	Marcel Gaupillat & Co., Paris, France
MG	Small Arms Ammunition Factory No. 2 Footscray, Australia
MGM	Manufacture Generale de Munitions, Bourg-les-Valence, France
MGP	Lockheed Martin, Pike County Operations, Troy, Alabama.
MH	Military Small Arms Factory No. 3, Hendon, Australia
MHR	Honeywell (MHR)
MHR	Honeywell Inc., Hopkins, Minn., USA, on
MI	Robert Paulet & Cie, Société Méridionale d’Industrie, Marseille, France
MIDWAY	Midway Arms Inc., Columbia, MO.
MIS	General Dynamics OTS (Wilkes Barre), LLC (since 2020).
MJ	Small Arms Ammunition Factory N°4, Hendon, Australia
MJC	Mast Technology, Inc., Johnson County, Warrensburg, Missouri.
MKE	Makina ve Kimya Endustrisi, Kurumu, Turkey
MKE	Makina ve Kimya Endüstrisi Kurumu, Turkey.
MKS	MK Stamping Company, Inc.
ML (overlaid)	Magyar Löszermuvek RT, Veszprem, Hungary
MMCo	Mathews Manufacturing Co. (Pty) Ltd, PO Box 8188, Belmont Bulawayo, Rhodesia (now Zimbabwe)
MMM	Manufacturas Metalicas Madrilenas, Spain (1959-1964)
MMT	MMT (Harvey Aluminum Inc., Martin Marietta Aluminum Division)
MNAM	Manufacture Nationale d’Armes et de Munitions, Morocco
MNB	Mast Technology, Inc., Boulder City, Nevada.
MQ	Small Arms Ammunition Factory N°5, Rocklea, Australia
MR	Manufacture de Machines du Haut-Rhin, (Manurhin), Mulhouse-Bourtzwiller, France
MRP	Companhia Brasileira de Cartuchos, Santo Andre, Estado de San Paulo, Brazil, for Magtech Recreation Products, Inc., Las Vegas, Nevada (now Magtech Ammunition Company, Madison, Ct. 05443)
MS	Manusaar, West Germany (1957-1963)
MS	Small Arms Ammunition Factory N°7, Salisbury, Australia
MS	Metal Speciality Co., USA. On 20mm Oerlikon, 1942 –
MSA	Mines Safety Appliance Co., Pittsburgh, PA
MSA	Mine Safety Appliances Ltd., Pittsburgh, Pa.,
MSB	Ametek Ameron, LLC, doing business as “Mass Systems”.
MTL	Mast Technology, Inc., Lake City Operations.
MUNCHEN	Koenigliche Arsenal, Munich, Germany
MUNICO	Industries Valcartier Inc., Montreal, Québec, Canada (Made for Politek Distribution Inc., Québec)
mus	Musgrave Manufacturers and Distributors (Pty) Ltd, P O Box 183, Bloemfontein, Republic of South Africa
MW	Munitions Werke, Schoenebeck a.Elbe, Germany
MW	Small Arms Ammunition Factory N°6, Welshpool, Australia
MYRA	Myra’s Sports Stors, Broken Hills, N.S.W., Australia ca 1973
N	Birmingham Metals & Munitions Co., Birmingham, UK
N	Dum Dum Arsenal, Dum Dum, India
N	National Cartridge Co, Belleville, IL
N	Nitrogen Budapest, Budapest, Hungary
N	P.W.U. Fabryka Amunicji, Skarzyskó-Kamienna, Poland Note
N	Rheinisch-Westfälische Sprengstoff, A.-G., Nuremburg, Germany
N	Huck Nürnberg
N	Unknown Factory, Found in Central Africa
N & S	Niebecker & Schuhmacher Iserlohn
N S	China North Industries Corp., (NORINCO), 7A Yue Tan Nan Jie, Beijing, Peoples Republic of China
NA	National Arms & Ammunition Co., Birmingham, UK
NACo	Newton Arms Company, Buffalo, NY
NATIONAL	National Cartridge Co., Atlanta, GA 30315
nbe	Hasag, Eisen-und Metallwerke G.m.b.H., Werk Apparatebau Tschenstochau, ( Częstochowa ) ,Poland -1939-1945 , German occupation.
NC	National Conduit & Cable Co., Hastings-on Hudson, NY
ndn	Unknown, probably post-war Czechoslovakia
NEVINS	Nevins Ammunition, Inc., Boise, ID 83709
NGA	New Generation Ammunition Pty Ltd, Box 9207, Hennopsmeer 0046 R.S.A.
NIC	NORINCO (North China Industries Corp.), Peoples Republic of China
NLP	NonLethal Technologies, Inc.
NLT	NonLethal Technologies, Inc.
NMT	National Metal Technology, Inc.
nny	rvi Partizan-Namenska Proizvodnja, Titovo, Uzice 31000, Yugoslavia. These are actually Cyrillic letters equal to “PPU in the Western alphabet.
NOEN	Naval Ordnance Engineeering Laboratory,Dahlgren, Md., USA. On 20mm experimental carts from 1940s/50s
NONE	NONE
NOR	Norris Industries
NORMA	ÅB Norma Projektilfabrik, 670 40 Amotfors, Sweden
NP	ÅB Norma Projektilfabrik, 670 40 Amotfors, Sweden
NPA	New Generation Ammunition Pty Ltd, Box 9207, Hennopsmeer 0046 R.S.A. (contract for Taiwan-NPA=National Police Administration) Cases made by Pretoria Metal Pressings Ltd., Pretoria, Republic of South Africa
NPA	Olympic Arms & Ammunition S. A., Acioupoli, Kulois, Greece (contract for Taiwan-NPA=National Police Administration) Cases made by Sellier & Bellot, Prague
NPA	Nammo Tactical Ammunition Co. LLC, Mesa, Arizona.
NPA	Nammo Palencia S.L., Spain.
NPG	Rheinmetall Waffe Munition GmbH, Nico Trittau Branch, Germany.
nr	POBEDA, Gorazde, Yugoslavia (now Bosnia-Herzogovina)
NRC	China North Industries Corp., (NORINCO), 7A Yue Tan Nan Jie, Beijing, Peoples Republic of China
NRE	New River Energetics, Radford, VA (NRE)
NRP	Riverbank Army Ammunition Plant (operated by Norris Industries).
NTI	Nammo Talley, Inc.
nts	Presswerk u. Drechslerwarenfabrik, “SPILBA, Jnh. Kaiser & Pichl, Liban Kreis Fitschin/Protektorat, Germany (now part of the Czech Republic)
NWM	Nederlandsche Wapen-en Munitiefabriek NV., “DE KRUITHOORN, ‘s-Hertogenbosch, Netherlands
O	Sellier & Bellot, Prague, Vlašim, Czechoslovakia
O	Cascade Cartridge Co. (Omark Industries), Lewiston, Idaho,
OAE	Orbital ATK, Inc. (2014-2018) – Northrop Grumann Corp. (2018-2022).
OFN	Ordnance Factory Nigeria, Lagos, Nigeria
OFV	Indian; “Ordnance Factory Varangoan”
ÖJP	Österreichische Jagdpatronenfabrik, Kramsach, Tirol, Austria
OK	Ordnance Factory, Khamaria, Jubbulpore India
OLD	??
OLM	Olin Corp Metal Prod until 2000, then General Dynamics Ordnance and Tactical Systems, Inc., Marion, Illinois.
OLM	General Dynamics Ordnance and Tactical Systems, Inc., Marion, Illinois.
OLN	Australia by Winchester Australia Limited. “OLN” Olin Australia Limited. Possibly made by ADI
OM	Olin Matheson Chemical Corp., Bridgeport, Conn., USA, on experimental
oma	Unknown, probably post-war Czechoslovakia
ONEX	Office National Des Substances Explosives, Hussein Dey, Algeria
ORBEA	Cartucheria Orbea Argentina, Argentina
ORK	Unkwnon (possibly Polyshok, Inc.).
OS (overlaid)	Oberschlesische A.-G., Schönebeck/Elbe
OTAL	Unknown, Canada
oxo	Teuto Metallwerke G.m.b.H., Osnabrück, Germany
oyj	Ateliers de Construction de Tarbes, France (under German occupation)
P	Fabrica Nacional de Palencia, Palencia, Spain
P	Fabrique Nationale d’Armes de Guerre (FN), Herstal, Belgium
P	Hirtenberger Patronen-, Zündhütchen-und Metallwarenfabrik A.-G., Hirtenberg, Austria
P	Mátravidéki Fémmüvek Sirok, Sirok, Hungary
P	Patronenfabrik A.-G., Solothurn, Switzerland
P	Peters Cartridge Company, Cincinnati, OH
P	Pirotecnia de Sevilla, Sevilla, Spain
P	Polte, Werk Magdeburg, Magdeburg, Germany
P	Pretoria Metal Pressings Ltd., Pretoria, Republic of South Africa
P	PT Pindad (Persero), under management of PT Bahana Pakarya Industrisi Strategis (Persero). Formerly known as Pabrik Senjata Mesiu. Ammunition factory at Turen Malang, West Java, Indonesia
P C H	Greek Powder & Cartridge Co., Athens, Greece (ca 1940)
P-D	Precison Delta Corporation, P.O. Box 128, Ruleville, MS 38771
P120	Dynamit A.-G., vormals Alfred Nobel & Co., Werk Empelde, Germany
P131	Deutsche Waffen u. Munitionsfabriken A.-G., Berlin-Borsigwalde, Germany
P132	Draht-und Metallwarenfabriken G.m.b.H., Salzwedel, Germany
P14A	Waffenwerke Brünn A.-G., Werk Povazská Bystrica, (Later Povazská Strojárne), Povazská, Bystrica, Czechoslovkia under German occupation
P151	Rheinisch-Westfälische Sprengstoff A.-G., Werk Nürnberg-Stadeln., Germany
P154	Polte Werk Grüneberg, Grüneberg (Nordbahn), Germany
P162	Presswerke G.m.b.H., Metgethen/Ostpr., Germany
P163	Metallwarenfabrik Treuenbritzen G.m.b.H., Werk Selterhof, Germany
P181	Hugo Schneider A.-G., Leipsig, Germany
P186	Metallwerk Wolfenbüttel G.m.b.H., Halchterstr. 2l, Germany
P198	Metallwarenfabrik Treuenbritzen G.m.b.H., Werk Röderhof, Germany
P207	Metallwerk Odertal G.m.b.H., Odertal (Post Lautaberg/Harz), Germany
P249	Finower Industrie G.m.b.H., Finow/Mark, Germany
P25	Metallwarenfabrik Treuenbritzen G.m.b.H., Werk Sebaldushof, Germany
P28	Deutsche Waffen- u. Munitionsfabriken AG, Werk Karlsruhe, Germany
P315	Märkisches Walzwerk G.m.b.H., Strausberg bez. Potsdam, Germany
P316	Westfälische Metall-Industrie A.-G., Lippstadt, Germany
P334	Mansfeld A.-G. Metallwarenfabrik, Werk Rothenburg/Saale, Rothenburg, Germany
P340	Metallwerke Silberhütte G.m.b.H., St. Andreasberg i/Harz, Germany
P345	Silva Metallwerke G.m.b.H., Genthin, Germany
P346	H. Huck Metallwarenfabrik, Nürnberg, W., Gostenhofer Hauptstrasse 61/63, Germany
P369	Teuto Metallwerke G.m.b.H., Osnabrück, Germany
P370	Teuto Metallwerke G.m.b.H., Osnabrück, Klosterstrasse 29, Germany
P379	Hugo Schneider A.-G., Werk Berlin-Köpenick, Germany
P405	Rheinisch-Westfälische Sprengstoff A.-G., Werk Durlach (vormals Gustav Genschow), Durlach, Germany
P413	Deutsche Waffen-und Munitionsfabriken A.-G., Lübeck-Schlutup, Weslörstrasse, Germany
P442	Zieh-und Stanswerk G.m.b.H., Werk Schleusingen/Thüringen, Germany
P490	Hugo Schneider A.-G., Werk Altenburg, Germany
P491	Metallwerk Wandhofen G.m.b.H., Schwerte/Ruhr, Germany
P54S	Showa Kinzoku Ltd., Tokyo, Japan (Ca 1954 for police)
P635	Gustloff-Werke Otto Eberhardt-Patronenfabrik, Hirtenberg Niederdonau, Austria under German occupation
P67	Munitionsfabrik Schönebeck /Hirtenberg?
P69	Patronen-, Zündhütchen- und Metallwarenfabrik A.-G. (formerly Sellier & Bellot) Schönebeck a. Elbe, Germany
P90D	Patr.-Zündh.-u. Metallwarenfabrik A.G., vorm. Sellier & Bellot, Werk Vlasim, CSSR
P90D	Munitionsfabriken vormals Sellier & Bellot, Prag, Fabrik in Vlasim, Occupied Czechoslovakia
P94	Kabel- u. Metallwerke Neumeier A.G., Werk Nürnberg
pae	Reportedly Hasag, Eisen-und Metallwerke G.m.b.H., Werk Skarzysko-Kamienna, Occupied Poland
Pak	Patr.-Zündh.-u. Metallwarenfabrik AG, vorm. Sellier & Bellot, Werk Vlasim, CSSR
Pak	Munitionsfabriken vormals Sellier & Bellot, Prag, Fabrik in Vlasim, Occupied Czechoslovakia
pas	Cartoucherie de Toulouse, France  (under German occupation)
PBM	??
PC	Peters Cartridge Company, Cincinnati, OH
PC	Pirotecnico Esercito-Capua, Capua, Italy
PC	Kings Mills Ordnance Plant, Kings Mills, Ohio, USA. Operated by the Peters Cartridge Co., from June 1942 to March 1944, on .45 acp and .30
PCCo	Peters Cartridge Company, Cincinnati, OH
Pcdp	Theodor Bergmann & Companie, K.-G., Waffen- und Munitionsfabrik, Werk Bernau, Berlin W62, Kleistrasse 21, Germany
PEC	Pirotecnico Esercito-Capua, Capua, Italy
PENN	Penn Ammo Inc., Delmont, PA 15626
PETERS	Peters Cartridge Company, Cincinnati, OH
PF	Patronenfabrik Solothurn A/G, Solothurn, Switzerland
PH	Parker Hale, Probably Birmingham, UK
Pi	Hirtenberger Patronenfabrik
PINDAD	PT Pindad (Persero), under management of PT Bahana Pakarya Industrisi Strategis (Persero). Formerly known as Pabrik Senjata Mesiu. Ammunition factory at Turen Malang, West Java, Indonesia
PJJ	Danish Government Arsenal (Ammunitionsarsenalet) Copenhagen, Denmark-under German Occupation
PK	Zakłady Amunicyjne “Pocisk” , Spolka Akcyjna, Warsaw, Poland
PKI	Unknown, made in one of the countries that use to be part of Yugoslavia
PM	Proffitt’s Machining Inc., Greenback, TN
PMC	Poongsan Metal Manufacturing Company Ltd., Seoul, Republic of Korea (probably at the Angang Ammunition Plant). Note that the “M” is shaped like an upside “W”
PMC	Eldorado Cartridge Corporation (previously Patton and Morgan Corp., and Pan Metal Corp. ) PO Box 62508, Boulder City, NV 89006. The PMC headstamped ammunition for ECC has been made in Korea, the Philippines, Mexico and the Repuclic of South Africa.
PMF	Pulver- und Munitions-Fabrik, Dachau
PMJ	Israel Military Industries, Israel.
PMP	Pretoria Metal Pressings Ltd., Pretoria, Republic of South Africa
pmt	Kabel-und Metallwerke Neumeyer A.-G., Werk München, Germany
PMV	Unknown Factory, Cuba
PNP	(“Peruvian National Police)
PO	Oramil S.A. División A. M., San Sebastián, Spain. PO stands for Plásticas Oramil.
Pö	Böhme Treuenbrietzen. 1926=P25
POF	Pakistan Ordnance Factories, Wah Cantt, Pakistan
POH	??
PP	Prvi Partizan, 31000 Titovo, Uzice, Yugoslavia
PPU	Prvi Partizan, 31000 Titovo, Uzice, Yugoslavia
PRO-LOAD	Pro Load Ammunition Inc., 5180 E. Seltice Way, Post Falls, ID 83854, (Formally
Ps	Bofors (Schweden)
PS	Giulio Fiocchi S.p.A., Lecco, Italy
PS	Pirotecnia Militar de Sevilla, Sevilla, Spain
PS	Poongsan Metal Manufacturing Company Ltd., Seoul, Republic of Korea (probably at the Angang Ammunition Plant)
PS	Povázské Strojárne, Povázská Bystrica, Czechoslovakia (now Slovakia)
PSD	Poongsan Metal Manufacturing Company Ltd., Seoul, Republic of Korea (probably at the Dongrae Ammunition Plant)
PSD	Poongsan Corp., Republic of Korea.
PSM	abrik Senjata Mesiu (also seen in factory literature as “Pabrik Senjata Munisi), Turen Malang, West Java, Indonesia
PT	Lapuan Patruunatehdas, Lapua, Finland. “VPT” headstamp with the “V” removed
Pu	Burgsmüller Kreiensen-Hartz
Pu	Unknown (Perhaps Burgsmüller, Kreiensen, Germany)
PX	Unknown Factory, France
Q	Made by Sellier & Bellot, Prague, Czech Republic Factory in Vlasim for Qutar
QC	Unknown Factory, Republic of Vietnam (South Vietnam)
qrb	Pirotecnico de Bologna, Bologna, Italy under German occupation
R	Dominion Cartridge Co., Montreal, Quebec, Canada for T Eaton Co. of Toronto in 1930
R	Fábrica do Realengo, Rio de Janeiro, Brazil
R	Robin Hood Ammunition Co., Swanton, VT
R (in shield)	Rheinisch-Westfälische Sprengstoffe A-G, Nürnberg, Germany
R-M	Riverside Metal Products Co., Oakville, Conn.,
R-P	Remington Arms Company, Inc., Bridgeport CT , and later
RA	A/S Raufoss Ammunisjonsfabrikker, Raufoss, Norway
RA	Remington Arms Co., Bridgeport, CT
RA	Remington Arms Co Inc., Bridgeport, Conn., USA, 1914 – 1918 and 1939 –
RAC	Remington Arms Company, Inc., Lonoke, Arkansas.
RAN	Nammo Raufoss AS, Norway.
RANO	Jointly loaded by A/S Raufoss Ammunisjonsfabrikker, Raufoss, Norway and AB Norma Projektilfabrik, 670 40 Amotfors, Sweden
RAUFOSS	A/S Raufoss Ammunisjonsfabrikker, Raufoss, Norway
RC	Raleigh Cycle Co. Ltd, UK
RD	Armería F. A. San Cristóbal, San Cristóbal, Dominican Republic
REM-UMC	Remington Arms Co., Bridgeport, CT (also used by CDM of Mexico and CBC of Brazil)
REM-UMC	Remington Arms – Union Metalic Cartridge Co., Bridgeport, Conn.,
RF	Rockland Fireworks Co., Boston, Mass., USA. On US Army Pyrotechnic carts, 1941 –
rfo	Deutsche Waffen u. Munitionsfabriken A.-G., Berlin-Borsigwalde Factory, Berlin, Germany
RG	Royal Ordnance Factory Radway Green, Radway Green, UK
RH	Raleigh Cycle Co., Lts., Nottingham, England, UK
RHACo	Robin Hood Ammunition Co., Swanton, VT
RL	Royal Laboratory, Woolwich, England
RLE	Rafael Advanced Defense Systems Ltd., Israel.
RM S	Rheinische Metallwaren-und Maschinenfabrik, Abteilung Sömmerda. Sömmerda, Germany
RMV	Unknown (possibly American Rheinmetall Munitions, Inc., Stafford, Virginia).
RNADC	Royal Naval Armament Depot, Caerwent, Wales, United Kingdom
RNO	RNO (Amron, Division Gulf + Western Systems, Waukesha, WI 53186)
ROFB	Royal Ordnance Factory Birtley, Birtley, County Durham UK
RORG	Royal Ordnance Factory Radway Green, Radway Green, UK
RPA	Republic of the Philippines Army, Government Arsenal, Department of National Defense, Camp General Antonio Luna, Limay, Bataan, Republic of Philippines
RPR	(“People’s Republic of Romania)
RRCo	Ross Rifle Co, Quebec, Canada
RS	Unknown Factory, France
RTA	Royal Thai Army Arsenal, Bangkok, Thailand
RVB	Riverbrand Co., Australia Which merged with Myra’s Sport Stors in 1977
RW	Rudge Withworth Co., Nottingham, UK (1914-1918)
RWS	Rheinisch-Westfälische Sprengstoff A.-G., Nürnberg-U. Germany
RY	Établissements Rey Frères, Nîmes, France
S	Dum Dum Arsenal, Dum Dum, India
S	Israeli Military Industries, Tel Aviv, Israel
S	Königliches Munitionsfabrik, Spandau, Spandau, Germany
S	Pirotecnia Militar de Sevilla, Sevilla, Spain
S	Sako A. B., (Suojeluskuntain Ase-je Konepa ja Oy), Riihimaki, Finland
S	Unknown Factory, France
S A CORP	Savage Repeating Arms Co, Utica NY
S.M.C.	“S.M.C.” [Stoner Manufacturing Corp., Aurora, Illinois];
S&B	Sellier & Bellot, Prague, Czechoslovakia (now Czech Republic) Factory in Vlasim
S&W	Smith & Wesson Ammunition Company, Rock Creek, Ohio, 44084
S&W-F	Smith & Wesson – Fiocchi Inc., Alton, Illinois
SA	Cartagena, Spain
SA	Israeli Military Industries, Tel Aviv, Israel
SA	Southern Ammunition Company, Route 1, Box 6B, Latta, SC 29565
SACorp	Savage Arms Corporation, Chicopee Falls, Mass.,
Sako	Sako A. B., (Suojeluskuntain Ase-je Konepa ja Oy), Riihimaki, Finland
SAL	ALS Technologies, Inc.
SAM	South African Mint, Pretoria, Republic of South Africa (Subsequently Pretoria Metal Pressing Ltd.)
Sam’s	Omark Industries, CCI-SPEER/Sporting Equipment Division, PO Box 856, Lewiston, ID 83501. A trial headstamp made for Walmart Stores, but not accepted.
SANDIA	Sandia Die and Cartridge Company, Albuquerque, New Mexico 87123
SARA	Cartridges with the “SARA headstamp are commeratives made for SARA
SAT	Finland
SAVAGE	Savage Repeating Arms Co, Utica NY
SAW	Sage Ammunition Works, Middletown, CT
SB	Arms Corporation of the Philippines, (formally Squires Bingham Co.) Marikina, Republic of the Philippines
SB	Empresa Nacional Santa Barbara de Industrias Militares SA, Toledo, Spain
SB	Israeli Military Industries, Tel Aviv, Israel
SB	Sellier and Bellot, Schoenbeck/Elbe, Germany
SB-T	Empresa Nacional Santa Barbara de Industrias Militares, SA Toledo, Spain
SBP	Sellier & Bellot, Prague, Czechoslovakia (now Czech Republic) Factory in Vlasim
SBR	Sellier & Bellot, Prague (might also have “euroxin” symbol, circle with downward pointing arrow)
SBS	General Dynamics European Land Systems – Santa Bárbara Sistemas, S.A., Spain.
SCB	Cartoucherie Belge, Liege, Belgium
SCC	Standard Cartridge Company, Pasadena, CA
SCC	Standard Cartridge Co., Pasadena, Calif., USA, 1946 –
SD	Sparklet Devices Inc., Dover Division, Dover, Ohio, USA, on .50 steel cases in 1942 – 43, also made .30-06 but these not
SEL	Omark Industries , CCI-Speer / Sporting Equipment Division, Lewiston ID 83501 USA
SF	Fábrica Militar de Cartuchos San Francisco, San Francisco, Argentina
SF	Société Française des Munitions, (Gévelot S. A.), Place Jules Gévelot, 92310 Issy-Les-Moulineaux, France
SFM	Société Française des Munitions, (Gévelot S. A.), Place Jules Gévelot, 92310 Issy-Les-Moulineaux,, France
SGA	Singapore
SINTOX	Dynamit Nobel A-G, Troisdorf, Germany. Trademark spelling for Non-Toxic ammunition
SK	Povázské Strojárne, Povázská, Bystrica, Czechoslovakia (now Slovakia). Made for SK Jagd- und Sportsmunitions GmbH, Schönebeck (Elbe), Germany
SK	Showa Kinzoku Kogyo Co., Ltd., Japan
SK	Tulski Patronny Zavod, (Tula Cartridge Works), Tula, Russia. Probably originally intended for SK Jagd- und Sportsmunitions GmbH, Schönebeck (Elbe), Germany, but sold in the U.S. in Tula boxes
SKD	Selve Kronbiegel Dornheim A.-G., Sommerda, Germany
SKN	Zaklady Metalowe “MESKO” for SK-Nimrod GmbH, Schönebeck, Germany
SL	St Louis Ordnance Plant, St Louis, MO
SL	St Louis Ordnance Plant, St Louis, Mo., USA. Operated by US Cartridge Co from Nov 1941 to June 1945, on .30, .50 and .60
SL*	Frankford Arsenal, Philadelphia, Pa., USA. Using tools removed from St Louis Ordnance
SLS	Sportnovi a Lovecke Strelivo, “SLS Ammunition brand, P. O. Box B16, 530 01 Pardubice, Czech Republic
SM	AB Svenska Metallverken, Stockholm, Sweden
SMC	Symington Machine Corp, Rochester, New York
SMC	Symington Machine Corp, Rochester, NY.,
SMCO	Stant Manufacturing Co. Connersville, IN
SMCo	Stant Manufacturing Co, Connersville, Ind., USA. .50 steel cases in
SME	Sellier & Bellot, Prague, Czech Republic, Factory in Vlasim for SME Ordnance Sdn Bhd (SMEO), Lot 5065, Locked Bag No. 101, 48109 Batu Arang, Selanger Darul Ehsan, Malaysia
SMI	Società Metallurgica Italiana, Campo Tizzoro, Italy
SMP	Uniknown, Yugoslavia
SMQ	Federal Cartridge Company, LCAAP Operations (ATK/Vista Outdoor Operations/ Orbital ATK).
SNC	SNC Industrial Technologies Inc., (Formally Industries Valcartier Inc.), Valcartier, Quebec, Canada
SNJ	Savit Corp.
SO	Sako A. B., (Suojeluskuntain Ase-je Konepa ja Oy), Riihimaki, Finland
SOS	Unknown Factory, Austria
SP	stands for “Servicio de Policía
SP	Scorzato Hermanos & Cia Ltd., Lujan, Argentina
SP	Swartklip Products (Pty.) Ltd., Cape Town, South Africa. Also formerly known as RMC – Ronden Manufacturing
SPC	Sociadade Portuguesa de Cartucheria, Portugal
SPEER	Omark Industries , CCI-Speer / Sporting Equipment Division, Lewiston ID 83501 USA
SR	Royal Ordnance Factory Spennymoor, UK (1913-1945)
SSA	Silver State Armory.
ST	Royal Ordnance Factory, Steaton
STANT	Stant Manufacturing Co., Cincinnati, Ohio, USA, on .60 experimental steel and brass cases with a 44
STL	Spectra Technologies LLC.
STON	also “S.M.C.” [Stoner Manufacturing Corp., Aurora, Illinois];
suk	Deusche Waffen u. Munitionsfabriken A-G., Karlsruhe, Germany
SUPER	SuperCartridge Pty., Ltd., Victoria, Australia
SUPER SPEED	Winchester Repeating Arms Co. & Olin
Super X	Western Cartridge Co., East Alton, IL
SUPER-VEL	Super Vel Cartridge Company, Shelbyville, IN
SWN	Royal Ordnance Factory. Swynnerton, UK
SWP	Smith & Wesson Pyrotechnics Inc., Jefferson, Ohio,
SYI	Società Metallurgica Italiana, Campo Tizzoro, Italy (used in the mid 1950s for an off-shore contract)
SYS	Unknown.
T	Empresa Nacional Santa Barbara de Industrias Militares, SA Toledo, Spain
T	Munitionsfabrik Thun, Thun, Switzerland
T	Rheinisch Westfälische Sprenstoff A.G., Werk Troisdorf
T	Tula Arsenal, Tula Russia
TA	Israeli Military Industries, Tel Aviv, Israel
TA	Thai Arms, Bangkok, Thailand
TAA	The 205th Arsenal, Taiwan.
TC	Unknown Factory, Turkey
TC	Twin Cities Ordnance Plant, Minneapolis, Minn., USA, on .30-06 carts in early
TCW	Tula Cartridge Works (Tulski Patronny Zavod), 139 Marata St., 300004, Tula, Russia
TE	Cartoucherie de Toulouse, Toulouse, France
TE	Toyo Seiki, Ltd., Tokyo, Japan
TEI	Triumph Explosives Inc., Elkton, Md., USA. On US military pyrotechnic carts 1941 –
TEXAS	Texas Ammunition Co. Ballinger, Texas (www.texas-ammo.com) Cases by Starline
TH	Royal Ordnance Factory Thorp Arch, Thorp Arch, England
TH	Unknown Factory, France
tko	Deutsche Waffen-und Munitionsfabriken A.-G., Lübeck-Schlutup, Weslörstrasse, Germany
TNA	T & A Screw Machine Products, Inc.
TOA	Tech Ord, a division of AMTEC Corp.
TOYO	Toyo Seiki Mfg. Co., Ltd., Japan
TPB	ATK Thiokol, Inc. (ATK Launch Systems Inc. since May 2006).
TPE	Unknown Manufacturer, UK
TPZ	Tulsky Patronney Zavod, (Tula Cartridge Works), 139 Marata St., 300004 Tula, Russia
TR	Dominion Rubber & Munitions Co., Three Rivers, Québec, Canada
TRITON	Triton Cartridge Corporation, P. O. Box 50 (Mailing Address), 2 Briar Lane, Wappingers Falls, New York 12590
TS	Atelier de Construction de Tarbes, Tarbes, France
TS	Toyo Seiki Mfg. Co., Ltd., Japan
TVA	True Velocity, Inc.
TW	Twin Cities Ordnance Plant, Minneapolis, MN
TW	Twin Cities Army Ammunition Plant , Minneapolis, Minn., USA. Operated under contract to Federal Cartridge Co from Feb 1942 to August 1945, on .30-06 and .50 carts, closed down in 1945 but reopened in early 50s and still in
TZ	Israeli Military Industries, Tel Aviv, Israel
TZZ	Israeli Military Industries, Tel Aviv, Israel
U	Kimberley Branch Mint, Kimberley, Republic of South Africa
U	Remington Arms Co., Bridgeport, CT
U	Rheinisch- Westfälische Sprengstoff A.-G., Nuremburg, Germany
U	Union Metallic Cartridge Co., Bridgeport, CT
U	Utah Ordnance Plant, Salt Lake City, UT
U	Utah Ordnance Plant, Salt Lake City, Utah, USA. Operated by Remington Arms from March 1942 – Dec 1943, on .30 and .50
UCO	Unknown.
UDC	Ultra Defense Corp, Florida and Missouri, USA
UF	United Fireworks Mfg Co., Dayton, Ohio, USA. On US military pyrotechnic carts, 1941 –
UMC	Union Metallic Cartridge Co., Bridgeport, CT
UMK	Ultimate Training Munitions.
UN	H. Utendoerffer, Nuremberg, Germany
UPC	United Propulsion Co.
US	United States Cartridge Co., Lowell, MA
US	United States Cartridge Co., Lowell, Mass.,
USCCO	United States Cartridge Co., Lowell, MA
USCCo	United States Cartridge Co., Lowell, Mass.,
USE	Piper Impact Inc./Piper Industries, New Albany, MS (USE)
USF	Susquehanna Corp, Ordnance Div, Saugus, Calif.,
UT	Utah Ordnance Plant, Salt Lake City, UT
UT	Utah Ordnance Plant, Salt Lake City, Utah, USA. Operated by Remington Arms from March 1942 to Dec
UTN	Ultimate Training Munitions.
va	Kabel- u. Metallwerke Neumeyer A.-G., Nuremberg, Germany
VALMET	Valtion Patruunatehdas, Lapua, Finland
VAPEX	Unknown Factory, Russia
VC	Canadian Industries Limited (C-I-L,) Verdun, Quebec, Canada
VE	Cartoucherie de Valence, Valence, France
VEN	Ministerio de la Defensa, Servicio de Armamento, Arsenal, Fábrica de Municiones, Probably located at
VFM	Vitale Fireworks Mfg Co., New Castle, Pa., USA. Made US military pyrotechnic carts 1941 –
VMT	Valtion Metallitehtaat, Helsinki, Finland
VPT	Valtion Patruunatehdas, Lapua, Finland
VS	Unknown Factory, France
VZK	Vereinigte Zünder – und Kabelwerke A.-G., Meissen/Elbe (Saxe), Germany
W	Winchester Repeating Arms Co., Bridgeport CT
W	Winchester Repeating Arms Co., New Haven, Conn.,
W with Eagle	Wojskowa Wytwórnia Amunicji Karabinowej , Warsaw, Poland, 7.92×57 Mauser
W-W	Winchester-Western (Olin), East Alton, IL
W.W.A.K.	Wojskowa Wytwórnia Amunicji Karabinowej , Warsaw, Poland, 8×50 Lebel
wa	Hugo Schneider A.-G., Werk Leipzig, Germany
wb	Hugo Schneider A.-G., Werk Berlin-Köpenick, Germany
WCC	Western Cartridge Company (Olin), East Alton, IL
WCC	Western Cartridge Co., East Alton, Ill.,
WESTERN	Western Cartridge Company (Olin), East Alton, IL
wg	Hugo Schneider A.-G., Werk Altenburg, Altenburg, Germany
WIN	Olin Corp., East Alton, IL 62024, USA
WINCHESTER	Olin Corp., East Alton IL 62024, USA
WISE	J. B. Wise Inc, Watertown, NY
WLC	Olin Winchester, LLC, LCAAP Operations.
WMA	Olin Corporation, Oxford, Mississippi Operations.
WOLF	Tula Cartridge Plant JSC, 139 Marat St., Tula 300035, Russia
WRA	Winchester Repeating Arms Co., Bridgeport, CT
WRA	Winchester Repeating Arms Co., New Haven, Conn.,
WRACO	Winchester Repeating Arms Co., Bridgeport, CT
WRACo	Winchester Repeating Arms Co., New Haven,
WSMCo	Worcester Stamped Metal Co., Worcester, Mass., USA, on experimental .60 cases made 1940 –
WWG	W. W. Greener, Birmingham, England
X	Hovedarsenalet Laboratorium, Copenhagen, Denmark
X	Povázské Strojárne, Povázská Bystrica, Czechoslovakia (now Slovakia)
X	Used on German 7,9 x 33, 9mm Para and 32ACP cartridges for use with silencers. Probably made by
X	Delaware Cartridge Co. Wilmington, Del.,
XL	Federal Cartridge Corp, Minneapolis MN
Z	Zbrojovka Brno, Brno, Czechoslovakia
Z	Wojskowy Zaklad Pirotechniczny , Later -Wytwórnia Amunicji nr 2, Rembertów,Poland, 22LR only.
Z28	Unknown Factory, Zambia
ZERO	Zero Ammunition Company, 1601 22nd Street, S.E., Cullman, Alabama 35056-1188
ZI	Unknown Factory, Zimbabwe
ZV	Sellier & Bellot, Prague, Czechoslovakia (now Czech Republic) Factory in Vlasim
auu	Unknown Factory, Czechoslovakia (under German occupation)
bd	Unknown Factory, Czechoslovakia (under German occupation)
be	Unknown Factory, Austria (under German occupation)
bg	Unknown Factory, Austria (under German occupation)
czo	Unknown Factory, Czechoslovakia
dtp	Unknown Factory, Czechoslovakia (under German occupation)
dye	Unknown Factory, Austria (under German occupation)
eeo	Deutsche Waffe- u. Minitionsfabriken AG, Posen plant, (Ref 15 claims use on headstamp, Ref 19 identifies eeo)
jtb	Reportedly Unknown Factory, Switzerland (Contract load for Germany in WWII)
kfg	Unknown Factory, Yugoslavia (under German occupation)
ksb	Unknown Factory, France (under German occupation)
kye	Unknown Factory, Romania (under German occupation)
kyn	Unknown Factory, Romania (under German occupation)
kyp	Unknown Factory, Romania (under German occupation)
lkm	Unknown Factory, Czechoslovakia (under German occupation)
mpr	Unknown Factory, Czechoslovakia (under German occupation)
mrb	Unknown Factory, Czechoslovakia (under German occupation)
nfx	Unknown Factory, Czechoslovakia (under German occupation)
wf	Unknown Factory, Poland (under German occupation)
y	Unknown Factory, Hungary (under German occupation)

https://docs.google.com/spreadsheets/d/1A1WSMHTG-vABD2ZYDyBamc6WTLQROm-BVLAZY-wtLqI/