Outers long-lasting bore and chamber brushes which are individually constructed to perfectly fit your favorite rifle, shotgun and handgun. These premium brushes use strong and effective phosphor bronze bristles to loosen fouling without leaving a polymer residue. Precise brush diameters to assure complete bore coverage on specific calibers. Brushes feature bristles that are chemical resistant for durability. Specially engineered looped core and tip to protect muzzle, chamber and rifling.