Dissolves carbon and powder fouling - Removes copper - lead and plastic deposits - Low odor - Does not contain CFC's - Used on all fine rifles shotguns and handguns Remington Brite Bore Solvent quickly removes all types of bore and choke tube fouling without any strong offensive odor. 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. Does not contain CFC's.