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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 .50 BMG (.50 Browning Machine Gun), also known as 12.7×99mm NATO, and designated as the 50 Browning by the C.I.P., [1] is a .50 in (12.7 mm) caliber cartridge developed for the M2 Browning heavy machine gun in the late 1910s, entering official service in 1921.
For the M2A1, this engine was supercharged to provide an extra 50 hp (37 kW) for a total of 400 horsepower (300 kW), and designated as the R-975 C1 radial engine. [6] [7] [page needed] The M2 had a high superstructure, with a sponson-mounted machine gun in each corner.
M2A1 (1935) Initial production type with single fixed turret containing one .50 cal machine gun. [5] Seventeen units were produced. [citation needed] M2A2 (1935) Twin turrets with single M2 Browning .50 machine gun in its left turret, and an M1919A4 .30 machine gun in its right turret; the turrets partly obstructed each other limiting fields of ...
In summer 2002, the M82 finally emerged from its Army trial phase and was officially adopted as the Long Range Sniper Rifle, Caliber .50, M107. The M107 uses a Leupold 4.5–14×50 Mark 4 scope. [5] The Barrett M107 is a .50 caliber, shoulder-fired, semi-automatic sniper rifle.
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 When the US Army Air Force .30-caliber machine gun was superseded by the .50-caliber machine gun mid-war, all .30-caliber ammunition began to be belted in M1 250-round belts for infantry use or M3 100-round woven belts for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.
As the week wound down, General Dynamics claimed a pair of contract wins from the Pentagon, worth more than $59 million combined. The larger of the two awards, for an even $45 million, went to ...
M101 – post-1961 designation of M2A1 or M2A2 on carriage M2A1. M101A1 – post-1961 designation of M2A1 or M2A2 on carriage M2A2. M2A1 – modernized L33 variant by Yugoimport SDPR with max range of 15 km (9.3 mi)/18.1 km (11.2 mi) (boat tail shell/base bleed shell) [28] C3 – Canadian C1 (M2A1) with lengthened, 33-caliber barrel