The Flitz Bore Cleaner is safe on factory gun bluing, stainless steel and nickel firearms to remove copper/powder fouling, plastic wad, rust, lead, carbon, and corrosive ammo residue. This helps to maintain the accuracy of firearms and eliminates the need for other cleaners. It is ammonia free, non-abrasive, non-flammable, foam free and environmentally friendly. One bottle will clean and maintain approximately 100 shotguns/rifles.