Description HOPPES NO 9 BLACK POWDER BORE SOLVENT & LUBRICANT 8OZ - SKU: HP999 NO. 9 BLACK POWDER Formulated for black powder shooters, Hoppes No. 9 Black Powder Gun Bore Cleaner is 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.