Bronze Double Ended Brush Bore Techs All Purpose Double Ended Gun Brushes are an essential tool for cleaning all those hard to reach areas where carbon, copper and oil residues hide. Our brushes feature a double ended design that provides a large, contoured series of nylon bristles to clean open areas while the short, stiff, narrow bristles tackle hard to reach areas. Great for use on bolt faces, actions, pistol slides, revolver cylinders, AR Bolts, AR Bolt Carrier groups and any other place where fouling is found. Brushes are individually packaged and available with Heavy Duty Nylon, Bronze, or Stainless Steel bristles. Description: Our brushes feature a double ended design that provides a large, contoured series of nylon bristles to clean open areas while the short, stiff, narrow bristles tackle hard to reach areas Great for use on bolt faces, actions, pistol slides, revolver cylinders, AR Bolts, AR Bolt Carrier groups and any other place where fouling is found