Manufactured by Armalite in Costa Mesa, California. This rifle uses a gas operated, piston driven system similar to the FN/FAL rifles. Reliable and robust, intended as an improvement over the standard M-16 gas system. Post front and flip up peep rear sights, three prong flash hider and bayonet lug with an ambidextrous safety selector. Ribbed and ventilated forearm, smooth pistol grip and original Armalite folding buttstock with ribbed buttplate. Includes a canvas web sling, two extra magazines and box hand numbered to the gun.