Butch s Black Powder Bore Shine was developed specifically for the black powder shooter who asked for a better, faster way to clean their Rifles. It comes from a special cleaning solvent used by the U.S. Military. This bore cleaner, removes powder, lead and plastic fouling faster than any other cleaner. Best of all it is odorless, non toxic, nonflammable, biodegradable and protects against rust and corrosion. You can t find a better cleaner for black powder anywhere.