Pro Shot Double End Nylon M16 Gun Brush - Pro-Shot's All Purpose Double Ended Nylon Gun Brushes are an essential tool for cleaning all those hard to reach and clean areas where carbon, copper and oil residues hide. Brush features a double ended design that provides a large, contoured series of nylon bristles to clean open areas, while the opposite end of the brush features a line of stiff narrow bristles tackle hard to reach/clean areas. Stiff Nylon Bristles Cleaning Power For Powder Residues And Burn Marks Makes Cleaning The Face Of A Revolver Cylinder Easy Mil-Spec Design Made In The USA