MC-7 Extra Strength Bore Cleaner 12 oz Aerosolis a convenient aerosol version of our top seller, MC-7! MC7XT has been formulated with an enhanced combination of cleaners to work faster than the original version of MC-7in" and it's ammonia free! 12 oz aerosol can Quickly removes copper, lead, carbon and powder fouling Cleans bores, receiver and trigger groups Ammonia Free Non-abrasive in" harmless to the bore surface, safe for all barrels Removes all types of fouling MADE IN THE USA