This non-abrasive chemical solvent is specifially 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. This product can also control the copper fouling by pushing a few patches soaked with Butch's prior to shooting. Butch's is safe to use on normal and stainless barrels.