Early pre-ban model, with post front and adjustable two-leaf rear sights, with the desirable "Howa/Japan" model, address and "PATENTS PENDING" markings stamped on the frame. It has the early three prong flash hider, bayonet lug, ambidextrous selector, and "AR-18" marked pistol grip. Ribbed and ventilated forearm, smooth grip and folding buttstock with ribbed buttplate.