Western Powders, Inc. Montana X-Treme? Copper Killer
Fast, Thorough Cleaning & Protection Of High-Performance Firearms
Non-abrasive, industrial-strength solvent has the power to remove the toughest copper fouling from any gun. The secret is its specially formulated ammonia oil that is strong enough to vaporize the stubborn copper fouling but safe enough to leave in the bore for up to an hour. Does not contain acids, amines, or chlorides that can etch the rifling. Mfg: Western Powders, Inc. SPECS: 6 fl. oz. (177 ml) or 20 fl. oz. (591 ml) bottle.