Anderson AM-15, .223 cal. semi-auto carbine. Serial #17045946. Excellent condition. Excellent bore. Anderson multi-caliber lower with a Hardened Arms upper. Long top rail will hold any optics combination. Quad forearm. Collapsible stock. One 30-rd. plastic magazine. No sights. 16" stepped barrel with flash-hider. Nice unit for coyote or other ranch vermin! Gunrunner West item.