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The M2 machine gun or Browning .50 caliber machine gun (informally, "Ma Deuce") [14] [15] 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 M122A1 tripod. Modern U.S. machine guns, such as the M60, M249 and M240 series machine guns, use slightly updated versions of the M2, designated the M122 tripod. The M60 was originally going to be used on an experimental M91 tripod, but the M122 was selected over it in the 1950s. The M122 weighs 16 pounds (7.3 kilograms). [1]
The M3 tripod is a weapon mount used on the M2HB Browning machine gun and the Mk 19 grenade launcher. The M3 tripod has a total weight of 20 kilograms (44 pounds). [ 1 ] The M205 tripod , formerly the XM205, is intended to replace it.
The M205 Lightweight Tripod for Heavy Machine Guns is the replacement for the current M3 tripod in support of the M2 machine gun and Mk 19 grenade launcher used in the United States armed forces. [1]
Georgy Shpagin revised the design by changing it to a belt-fed with a rotary-feed cylinder, and the new machine gun began production in 1938 as the DShK 1938. [17] [20] The DShK and the American M2 Browning are the only .50 caliber machine guns designed prior to World War II that remain in service to the present day. [21]
Vehicle-mounted M2 .50 caliber machine guns in May 2005. M2HB – heavy machine gun chambered in .50 BMG used primarily on vehicles. M240B – 7.62×51mm medium machine gun used by infantry, and light vehicles and helicopters. Mk48 Mod 1 – 7.62×51mm light machine gun, used by US MARSOC. M249E4 – 5.
Could be converted for field use by using special lightweight tripod. Manufactured in limited numbers. [6] Masen-Saetter cal. 50 machine gun: prototype of a .50 BMG version. Could be mounted on tanks and armored vehicles, anti-aircraft wheeled mount (similar to DShK wheeled mount), and anti-personnel light tripod. [7]
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.