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The pre-war headstamp has the 1- or 2-letter code for the brass supplier of the cartridge case at 6 o'clock, the 2-digit year the cartridge case was produced at 12 o'clock, the lot number of the propellant at 9 o'clock, and the 2-digit year the finished cartridge was assembled at 3 o'clock. The brass suppliers or cartridge manufacturers would ...
A headstamp is the markings on the bottom of a cartridge case designed for a firearm. It usually tells who manufactured the case. 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 Navy used a different lot numbering system for explosives, propellants, and pyrotechnics (chemical marking and screening devices and rocket motors): NN-LLL-MMYY The first part (NN) is the serial number, next the Manufacturer's 2 or 3 letter code, followed by a four digit number that indicates the two-digit month and two-digit year it was ...
MIL-STD-130, "Identification Marking of U.S. Military Property," is a specification that describes markings required on items sold to the Department of Defense (DoD), including the addition, in about 2005, of UII (unique item identifier) Data Matrix machine-readable information (MRI) requirements.
T3AUD = 240 Shells, Shotgun, 12 Gauge, No.8 Chilled Shot, Paper Cased, in 10-shell cartons. 12 cartons per M10 metal ammo can (120 shells). 2 × M10 ammo cans per M12 wooden crate. T3AWD = 360 Shells, Shotgun, 12 Gauge, No. 4 Chilled Shot , in 10-shell cartons, 12 cartons per M10 metal ammo can (120 shells). 3 × M10 ammo cans per M15 wooden crate.
In the 1990s, there were two databases that were formed for storage of pictures of shell casings and bullets in gun crimes. The first was the Drugfire system which was used by the FBI. The second, the IBIS (Integrated Ballistic Identification System) was created by Forensic Technology, Inc. and eventually bought by the Alcohol Tobacco and ...
Left to right: smoke, armour-piercing (pre-1955 UK markings), HE (RDX/TNT, strange markings), HE (Amatol, pre-1955 UK markings), smoke (pre-1955 UK markings). Although some shells are shown in the cases, the shell and the case were separate items. Royal Artillery gunners fill 25-pounder shells with propaganda leaflets.
A .50 caliber cartridge case with the Frankford Arsenal headstamp. Each round of ammunition was marked with the headstamp "F A" on its base, denoting that it was produced at the Frankford Arsenal. Early metallic cartridges produced at Frankford were not head-stamped. These were either Martin or Benet primed copper cases. Early cartridges were ...