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Browning machine guns are a family of machine gun designs by John Browning, a prolific weapon designer. These include: * M1895 Colt–Browning machine gun, based on a design dating to 1889, was the first successful gas-operated machine gun to enter service. * M1917 Browning machine gun, a family of water-cooled machine guns in .30-'06 * M1918 Browning Automatic Rifle, or its variants * M1919 Browning machine gun, a family of air-cooled machine guns in .30-'06 * M1921 Browning machine gun, a family of water-cooled machine guns in .50 BMG * M2 Browning machine gun, a family of air-cooled machine guns in .50 BMG