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T1IDP = 210 cartridges .50 linked (4 × AP M2, 1 × TR M1), 105 linked rounds in metal M2 ammo box, 2 × M2 ammo boxes per wooden crate. Volume : 0.93 Cubic Feet. T1IDS = 110 cartridges .50 linked (2 × AP-I M8, 2 × INC M1, 1 TR M10), 55 linked rounds in metal M10 ammo can, 2 × M10 ammo cans per M12 wooden crate.
In 1938, the unstained, 150 grains (9.7 g), flat-base bullet combined with the .30-06 case became the M2 ball cartridge. The M2 ball specifications required 2,740 feet per second (835.2 m/s) minimum velocity, measured 78 feet (24 m) from the muzzle. [23] M2 ball was the standard-issue ammunition for military rifles and machine guns until it was ...
The Greek alphabet version of the headstamp, with the manufacturer's code (ΕΠΚ) at 12 o'clock and the caliber or cartridge name at 6 o'clock. GPC ("Greek Powder and Cartridge Company") - The English language version of the headstamp. HXP Pyrkal (1950s–2004) – Athens, Greece. Manufactures cartridges and disintegrating belt links.
Ball propellant (trademarked as Ball Powder by Olin Corporation and marketed as spherical powder by Hodgdon Powder Company [1]) is a form of nitrocellulose used in small arms cartridges. Ball propellant can be manufactured more rapidly with greater safety and less expense than extruded propellants.
An early type of internal-propellant caseless ammunition was Walter Hunt's Rocket Ball cartridge. It was developed in the 1850s and the guns using it were sold primarily by Volcanic Repeating Arms. Hunt's Rocket Ball cartridges were severely under-powered and never saw wide acceptance for self-protection, hunting, or military use. [5]
However, the ammo was much heavier (393 gr (25.4 g) for 7.62 x 51 round compared to 160 gr (10.4 g) for .45 ACP), effectively limiting the ammo load. Additionally, when fired in full automatic mode free recoil delivered by full-sized and full-powered cartridges became an issue, too.
Barrett Firearms Manufacturing is an Australian-owned, American manufacturer of firearms and ammunition located in Christiana, Tennessee.It was founded in 1982 by Ronnie G. Barrett for the purpose of building semi-automatic rifles chambered for the .50 BMG (12.7×99mm NATO) ammunition, originally developed for and used in M2 Browning machine guns.
M2 on the OH-13 M2. The M2 system was a variation on the XM1, replacing the .30-caliber M37C machine guns with 7.62×51mm NATO M60C machine guns. The mounts were similar to the XM1, also providing flexible elevation, with 650 rounds per gun stored externally. [3]