The L8A1 is a British gas operated automatic air-cooled tankmachine-gun based upon the L7A1 (Belgian FN MAG). the L8A1 is chambered for the 7.62 mm x 51 cartridge which it takes from a beltfeed and fires with a cyclic rate of between 650 and 1000 rounds per minute with a muzzle velocity of 838 meters per second. The L8A1 has a 737 mm long quick change barrel, shortened from the L7A1 to allow fitting in an enclosed space, and is fitted with a post foresight mounted in the flash suppressor and an aperture rearsight. Research L8A1