The Hoppe's Bench Rest 9 solvent is the industry standard for copper fouling removal specifically formulated for bench rest shooters and serious hunters. This fast-acting formula removes copper fouling overnight instead of the typical 3-4 days required by other solvents.Hoppe's #9 Bench Rest Solvent - Pint (16 oz) sizeRemoves copper fouling overnight with fast-acting formulaContains no abrasives - safe for all barrel typesAlso removes powder lead and plastic foulingsCompatible with rifles shotguns pistols and revolversPowerful yet safe copper-busting technologyEssential for bench rest competitors and hunters who demand precision accuracy this solvent ensures thorough bore cleaning without the extended soaking time required by conventional copper removers.