BORE SCRUBBER® FOAMING GEL 2-IN-1 BORE CLEANER QUICKLY, EASILY AND SAFELY REMOVES ALL TYPES OF FOULING – CARBON, POWDER, COPPER, LEAD AND PLASTIC WAD RESIDUE. CONTAINS NO HIGHLY TOXIC INGREDIENTS AND IS SAFE FOR USE ON STEEL. SOLVENT CLINGS TO AND PENETRATES NEGLECTED OR FOULED BORES. GREAT FOR RIFLES, SHOTGUNS AND HANDGUNS.