Bore solvent removes leading, powder residue and copper fouling.Safe to use on metals.Will not cause rust, oxidation, staining or galvanic corrosion.May be harmful to some paints, varnishes, and plastics.Keep product off of these types of surfaces unless a previous patch test has shown no effect.Type: Bore CleanerSize: 4 ozQuantity: 1Protects: Removes Carbon/Lead/Plastic Fouling/PowderHazair: Yes