POWERFUL COPPER & CARBON ELIMINATORPowerful gun-metal grade foaming solvent is specially formulated to expand and penetrate within the gun bore, rapidly and effectively dissolving performance inhibiting copper and powder fouling. CLEAN BORES FASTER Powerful gun-metal grade foaming solvent expands and penetrates to rapidly dissolve copper & powder fouling. For use in bore only. Do not apply to rubber, polymer or wood parts or painted or dipped finishes. Wipe off immediately with a cloth to avoid damage.