Youd never shoot your black-powder gun more than 1,000 times without cleaning it, but its nice to know you could, by using this all-natural lubricant with Bore Butter. Use on patches and bullets. Cuts down on fouling. Great for rust prevention as well. Also available in pine-scented to keep chemical smells off your hands and out of the woods. Size: 5 oz. tube. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Lube.