Hoppe's M-Pro 7 Gun Cleaner - 1 Gallon Bottle Military and professional grade cleaner Improves accuracy and reliability Conditions to reduce future fouling Significantly cuts cleaning time Removes carbon, lead and most Copper fouling Significantly cuts cleaning time Improves accuracy and reliability Conditions to reduce future fouling Removes carbon, lead and most copper fouling Odorless, non-toxic and biodegradable