Hoppe's No. 9 Black Powder Gun Bore Cleaner and Patch Lubricant, 8 oz. Bottle Lubricates as it cleans fouling from the bore Specially formulated to Remove black powder fouling Protects against rust and corrosion Equally effective for deep or shallow grooved barrels Both a powder remover and patch lubricant Formulated for black powder shooters Both a powder remover and patch lubricant Lubricates as it cleans fouling from the bore; Protects against rust and corrosion Equally effective for deep or shallow-grooved barrels Includes one 8 oz. bottle