M2 Browning machine gun

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M2, aircraft basic
M2, aircraft basic
Type Heavy Machine Gun
Cartridge 12.7x99mm (.50 BMG)
Country of Origin USA
Weight 64 lbs (29.0 kg)
Overall Length 56" (1422 mm)
Barrel Length 36" (914 mm)
Rate of Fire 800 rpm
Muzzle Velocity 2845 ft/s (867 m/s)
AH Damage Value 1.1716 lb
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Type Heavy Machine Gun
Cartridge 12.7x99mm (.50 BMG)
Country of Origin USA
Weight 83 lbs (37.6 kg)
Overall Length 65" (1651 mm)
Barrel Length 45" (1143 mm)
Rate of Fire 600 rpm
Muzzle Velocity 2935 ft/s (895 m/s)
AH Damage Value 1.25 lb
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The Browning .50 Caliber M2 Machine Gun is a heavy machine gun designed in 1918 by John Browning. The design was adopted by the U.S. Army in 1921 and is still in service today. It has a variety of nicknames derived from its caliber including "Ma Deuce", "fifty BMG", "fifty cal", or even just "fifty".

There were different versions of the weapon for aircraft and ground use. The ground version was the M2-HB (HB for Heavy Barrel). The aircraft version was used in fixed and flexible installations and differed from the M2-HB by its higher rate of fire, lighter weight and shorter barrel length which gave it a slight reduction in muzzle velocity.


During World War II, the M2 guns were produced by Colt's Patent Fire Arms Company, High Standard Company, Savage Arms Corporation, Buffalo Arms Corporation, Frigidaire, AC Spark Plug, Brown-Lipe-Chappin, Saginaw Division of General Motors Corporation, and the Kelsey Hayes Wheel Company. The initial cost of the Browning M2 machine gun was $750.00. Production ceased temporarily at the end of World War II. A total of about 2 million M2's were built with about 23 percent of these being M2-HB's.[1]

Testament to the dependability of the weapon's design, the Browning M2 is still in use today as a secondary and anti-personnel weapon with not only the American military, but other armed forces as well.

Aces High

In Aces High, the M2 is found on nearly every American aircraft as well as some British ones. The M2-HB is used on a number of different ground vehicles as well as the PT Boat.


  1. The Machine Gun, Vol 5, George Chinn, 1987.