Headstamp

A headstamp is the markings on the bottom of a cartridge case designed for a firearm. It usually tells who manufactured the case. If it is a civilian case it often also tells the caliber: if it is military, the year of manufacture is often added.

The left cartridge's headstamp says "FC 223 REM" which means that it was made by Federal Cartridge Co. and it is in the caliber ".223 Remington". The cartridge on the right has a headstamp that says "LC 99" with a symbol that consists of a cross in a circle. This cartridge was made in 1999 by the Lake City Army Ammunition Plant, in Independence, MO, USA. The symbol on this headstamp means it meets NATO specifications.

The headstamp is punched into the base of the cartridge during manufacture. A resource for identifying where the ammunition originated can be found at Cartridge Collectors.

Australia

Brazil

Canada

Arsenals

Civilian contractors

Commercial manufacturers

China

NORINCO (North Industries Corporation) - Beijing, People's Republic of China. Operates several state arsenals that produce weapons and munitions for both the military and civilian markets. Makes the Big Star rimfire and China Sports centerfire ammunition brands. Currently they make 9×18mm Makarov, 9×19mm Parabellum, .45 ACP, .223 Remington [5.56×45mm], 7.62×39mm Soviet, and .308 Winchester [7.62×51mm] ammo.

NORINCO 7.62×39mm Soviet ammunition was banned from importation in February, 1994. This was due to the fact that the military surplus ammunition couldn't pass the "magnet test". Non-compliant semi-armor-piercing and armor-piercing rounds have steel penetrators or steel cores that will be attracted by a magnet. The NORINCO copper-plated steel-jacketed Full Metal Jacket bullets would be attracted by a magnet - making it hard to distinguish between compliant lead-core and non-compliant steel-cored ammunition.

Arsenals

Ammunition headstamp has the arsenal number and the last 2 digits of the year of manufacture. The following are arsenals known to produce civilian lead-core ammunition.

Manufacturers

Counterfeits

The use of counterfeit ammunition is perplexing, since NORINCO already makes ammunition and sells quite a lot of it. Theories abound: it was made for use by Chinese-backed insurgents, it was designed to get in on the surplus ammo market, or it was designed to make users leery of surplus ammunition and get them to buy new foreign-made ammo.

Czech Republic

Germany

RWS headstamp on a 8×68mm S rifle cartridge

Italy

Mexico

Slovakia

South Africa

Sweden

Turkey

United Kingdom

United States

NT on a headstamp stands for "Non-Toxic". It indicates that the primer compound is Diazodinitrophenol (DDNP) rather than Lead styphnate.

See also

Military Headstamps

Military cartridge headstamps do not usually have the caliber and cartridge name on it. The headstamp may have a 2- or 3-symbol letter, number, or alphanumeric code indicating the place of manufacture.[12] This is usually followed by two digits indicating the last two digits of the year of manufacture; they may have additional digits or a letter indicating the month or yearly quarter of manufacture. The packaging usually has the manufacturer code, 2-digit year, and a lot number on it so bad or suspect batches can be removed.

References

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