Metal body M16/M4 with real Colt stamping and functional dust cover. Designed for all type of weapons M16/M4 or M15 Armalite. Manufacturer's brand Super Shooter (same manufacturer as SHS). Including a magazine catch, dust cover with facilities, center pin, trigger guard, bolt catch, selector lever with cam and cocking handle. Well-crafted body with a nicely executed engraving and at a great price!