Keep your firearms in working order with the Breakthrough Clean Technologies .223 Caliber, 5.56mm and AR-15 Nylon Bolt Carrier Brush. Featuring stiff nylon bristles to clean heavy fouling, this brush comes with a rugged brass core for durability. Breakthrough Clean Technologies .223 Caliber, 5.56mm and AR-15 Nylon Bolt Carrier Brush - Gun Cleaning at Academy Sports
