B.F.I. M17S, .223 cal. semi-auto bullpup carbine. Serial #P09257, mfg. Windham, ME. Excellent condition. 22" barrel with flash-hider has an excellent bore. Black matte tactical finish has only a couple of light marks. Hard butt. Tight action. Pistol grips. 30-rd. magazine. Very short and quick! Pic rail scope mount on carry handle, so optics ready. Sling swivels. Unique design allows for a longer barrel in a short package! Nothing else out there like this! Gunrunner West item.