This is a Windham Weaponry model WW-15 M4 AR-15 style semi-automatic rifle in .223 Remington caliber. It has a 16" M4 profile barrel, bayonet lug, M4 double heat shield hanguard, flat-top upper receiver with detachable A4 carry handle/rear sight, standard A2 front sight, 6-position telescoping buttstock, A2 pistol grip, and sling loops. This rifle comes with one 30-round magazine. It is in good condition with a clean, bright bore.