Pro-Shot Copper Solvent IV Lubricant and Penetrant Amber 8 oz. Copper Solvent Superior Next Generation FormulaPro-Shot's Copper Solvent IV is excellent for Copper Powder and Primer Fouling while providing rust protection for your barrel. Designed Specifically for Copper (Jacketed Bullet) Fouling. How it works FAST AND EFFECTIVELY to clean your Barrel. Our synthetic formula uses activated positively charged ions that have an affinity for copper and its oxides. They bond and release the copper from the surface of the bore to provide a superior clean surface without copper and powder fouling. It also soaks into the pores of the metal to provide rust and corrosion inhibitor protection. Our NEW innovative formula is a smarter healthierand environmentally safer way to clean than the old brute force method of throwing harsh chemicals at Copper fouling with the Ammonia Solvents. Proprietary additives that remove copper powder and primer fouling Rust and Corrosion Inhibitors. No Offensive Odor. Specifications for Pro-Shot Copper Solvent Lubricant and Penetrant: Manufacturer: Pro-Shot Color: White Included Accessories: Standard Package Contents: Pro-Shot Copper Solvent Lubricant and Penetrant Pro-Shot SVC-8: Copper Solvent IV Lubricant and Penetrant Amber 8 oz