M1921 Browning machine gun

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The Browning machine gun was first tested by John Moses Browning(Jan 23,1855-Nov 26,1926.) The M1921 was a water cooled .50 caliber machine gun from a family of many cooled guns. developed from the m1895. the first successful gas machine gun. it was a hard hitting gun and was used in airfields as anti aircraft, in airplanes, and used in the battle field which was a fearsome weapon for all enemies.