13.9" 1/7 chrome lined 5.56 rosco barrel with flash hider to bring to 16", not pinned and welded. Aero upper, carbine gas tube, and gas block. Midwest industries combat rail, and front sight. I forget the brand of flash hider. Spare parts upper, less than 400 rounds through. No isses. $350 cash takes it. Not looking for trades right now. Located in Killeen. Text 254-389-4582 thanks.