Manufactured in 1973. Early style three-prong flash hider, post front sight and bayonet lug on the gas block, ventilated triangular forearm, M16 pattern upper with fixed carry handle, and flip up windage adjustable two leaf rear peep sights, no case deflector or forward assist, serrated bolt carrier, standard markings on the left side of the lower receiver, two position safety, checkered grip, and fixed buttstock with checkered trapdoor buttplate. With green canvas web sling.