Bushmaster M17S, .223 cal. Bullpup auto rifle. Serial# P03140. Excellent condition. 20” barrel with an excellent bore. Matte finish is 98% with some handling marks. Fixed back up sights for close work. Wears a Tasco pro point on the carry handle. Nylon sling, A very handy carbine that still give the velocity of a full 20” barrel.