Bore Scrubber® 2-in-1 Bore Cleaner 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.