Shooters World Multi Purpose FFF Black Black Powder Substitute in 1lb cannisters. The Multi Purpose FFF Black Black Powder Substitute is perfect for Hunters and Cowboy Action Shooters. For use in Muzzleloaders and Black Powder Cartridges, this powder is clean, powerful, dependable and accurate! Moisture resistant and virtually non-corrosive. This Black Powder substitute is made in America for Shooters World by American Pioneer Powder. As with any propellant and load combination, a minor change to any of the components of the test load CAN result in significant shift in ballistic performance. This shift can cause unintended high pressures, and result in injury or death. Therefore, Shooters World LLC, nor the manufacturer of this propellant take no responsibility for the intentional or unintentional misuse of this product. The charge weights and results noted within are not recommended, either as a starting nor completed load. They are shown merely as an indication of potential performance in one test load, shot by CIP standards.