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The M2 machine gun or Browning .50 caliber machine gun (informally, "Ma Deuce") [13] [14] is a heavy machine gun that was designed near the end of World War I by John Browning. While similar to Browning's M1919 Browning machine gun, which was chambered for the .30-06 cartridge, the M2 uses Browning's larger and more powerful .50 BMG (12.7 mm ...
The GAU-19/A is designed to accept standard NATO .50 caliber M9-linked ammunition. The rate of fire is selectable to be either 1,000 or 2,000 rounds per minute. The Humvee armament kit version fires at 1,300 rounds per minute. The average recoil force when firing is 382 lb/ft, 495 lb/ft or 629 lb/ft depending on firing rate.
This more or less standardized ACAV kit included shields and a circular turret for the .50-caliber M2 machine gun in the track commander (TC) position, two M60 machine guns with shields for the left and right rear positions, and "belly armor"—steel armor bolted from the front bottom extending 1/2 to 2/3 of the way towards the bottom rear of ...
A36 Cal. .50 aircraft machine gun basic, M2; A37 Cal. .50 water cooled machine gun, AA, M2; A38 Cal. .50 machine gun AN/M2 (aircraft) A39 Cal. .50 machine gun heavy, aircraft fixed, M2; A40 Cal. .22 machine gun trainer M1; A41; A42 M3 and M3A4 hand cart, general utility [2] M3 and M3A4 hand cart, general utility.
The XM312 is a heavy machine gun derived from the XM307 25 mm autocannon and chambered for the .50 BMG cartridge. It was designed in response to a request by the U.S. military for a replacement for the aging M2 Browning heavy machine gun, and as a complement to the heavier XM307 Advanced Crew Served Weapon grenade launcher.
M2A2 (QCB): .50 Cal, (12.7mm NATO) U.S. Ordnance’s M2A2 offers the proven performance of the existing M2HB machine gun but also features fixed headspace and timing. M48: The U.S. Ordnance M48 Fixed (Turret Type) is a link belt-fed, recoil-operated, air-cooled, crew-served machine gun. U.S. Ordnance is under a multi-year contract to supply M48 ...
All metal-linked ammunition was reserved for the Army Air Force and Naval Aviation. When the US Army Air Force .30-caliber machine gun was superseded by the .50-caliber machine gun mid-war, all .30-caliber ammunition began to be belted in M1 250-round belts for infantry use or M3 100-round woven belts for use in vehicles and tanks.
The STK 50 MG, formerly known as the CIS 50MG, [a] is a gas-operated, air-cooled, belt-fed heavy machine gun developed and manufactured by Chartered Industries of Singapore (CIS, now ST Kinetics) in the late 1980s, in response to a request by the Singaporean Defence Ministry to replace the 12.7mm Browning M2HB machine guns then in ubiquitous service with the Singapore Armed Forces (SAF).