Remington"s Brite Bore, used on all fine rifles, shotguns, and handguns quickly removes all types of bore and choke tube fouling without any strong, offensive odor. With no-leak cap design and containing no CFC"s, Brite Bore removes copper, lead and plastic-wad deposits and dissolves carbon and powder fouling, cleaning choke tubes, revolver cylinders, and chambers for almost any gun in your arsenal.