ICM Models 1/32 ICM AH-1G Cobra (late production), US Attack HelicopterThe AH 1G combat helicopter has conceived as a fire support helicopter. Due to its firepower, the term aerial artillery coined during the Vietnam War, was often applied to it. The main armament mounted on a turret in the nose part of the helicopter was a six barreled Minigun 7. 62 mm machine gun with a clip of 4,000 rounds and an M129 40 mm grenade launcher with 300 rounds of ammunition. Other types of weapons also were used. In 1972, the Vietnamese