(BT31750) This is a new Rock River Arms BT-3 308 semi-automatic rifle chambered in 308 Winchester. This rifle features a premium 20" stainless fluted cryogenically treated barrel, RRA two-stage trigger, billet upper & lower, Magpul precision rifle stock, and premium trigger. It has a low profile gas block with rifle length gas system, RRA free float lightweight rail (17" M-LOK), and a weight of 8.6 lbs. Comes with the original box and manual. The gun is previously owned, unhandled. One magazine included.