A complete formula for copper and nitro fouling. This 2-in-1 solvent does it all! Attacks, dissolves and removes all types of barrel fouling including: lead, copper, plastic, carbon and powder fouling. Superior rust preventive additives provide long term protection after cleaning. Contains no nitrobenzene, butyl cellosolve or other highly toxic ingredients. Safe, fast and easy to use. Great for rifles, shotguns, and handguns.