Butch's Bore Shine is a non-abrasive chemical solvent specifically designed to remove all forms of bore fouling including copper with an absolute minimum of effort and no damage. It will quickly remove carbon build-up, even in difficult to clean areas like the chamber throat. It also removes lead, wax and even plastic shotgun wad build up. Size 8 oz Type Bore Cleaner Series Bore Shine Material Multiple Protects Against Copper Build Up Quantity 1 Suitable For Firearms