Browning M2 Machine Gun
|Country of Origin||United States|
|Barrel Length||1,143.000 mm|
|Rate of Fire||500 rounds/min|
|Muzzle Velocity||930 m/s|
Contributor: C. Peter Chenww2dbaseBrowning M2 heavy machine guns were designed near the end of WW1 by John Browning based on the design of the earlier M1917 Browning machine gun. They were originally water-cooled, belt-fed, and fired from a closed bolt. In 1932, the design was updated, and it adopted the new designation of M2HB; the major change was that the M2HB (heavy barrel) heavy machine guns were now air-cooled, providing great weight savings.
Although originally designed to be anti-armor weapons, they soon assumed alternative roles such as anti-aircraft and infantry support. During the inter-war and WW2 eras, they also found their weapon aboard ships (as anti-aircraft weapons), boats (as close-range guns), combat vehicles, fighters (as forward-firing guns), and bombers (as turret guns). During the war, American soldiers nick named them "Ma Deuce".
British and Commonwealth forces also employed them in service during WW2, though in a very limited basis.
M2HB heavy machine guns are still in common use today.
Source: Wikipedia. ww2dbase
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James Forrestal, Secretary of the Navy, 23 Feb 1945