Bolt and Carrier Group AR Style 223 Rem/5.56 NATO, Nickel Boron Md: BROBCG
Black Rain Ordnance Bolt and Carrier Group AR Style 223 Rem/5.56 NATO, Nickel Boron Md: BROBCG Black Rain's .223 Bolt and Carrier Group fits 223/5.56 AR-style rifles and has a nickel boron finish. ...