Keep your firearms in working order with the Breakthrough Clean Technologies AR-15, M16 and M4 Phosphorous Bronze Bristle Bolt Carrier Brush. Featuring a rugged brass core for durability, this brush comes with stiff phosphor bronze bristles to combat heavy residual carbon buildup. Breakthrough Clean Technologies AR-15, M16 and M4 Phosphorous Bronze Bristle Bolt Carrier Brush - Gun Cleaning at Academy Sports
