7.62 x 51 mm, 7.62 NATO and .308 Winchester. The round works in the M60 and M240 machine guns and a host of 7.62mm rifles, including the M24 sniper rifle and M110 sniper rifle.

Service: US Army Armament: Guns: 1× 30 mm M230 Chain Gun; or 2× .50 cal GAU-19; or 2× 7.62 mm M134 Minigun; 2× LAU-68D/A rocket pods; Hydra 70 rockets; 2× AGM-114 Hellfire; 2× FIM-92 Stinger ...