Blackhorn 209 Cleaning Solvent is specifically designed to clean muzzleloaders & black powder cartridges that shoot Blackhorn 209 Propellant. When used as directed, this high performance powder consistently shoots at higher velocities and with greater precision than any competing propellant. As the only noncorrosive muzzleloading powder, Blackhorn 209 is engineered to eliminate swabbing and cleaning between shots. Precise accuracy, higher velocities and ease of use ensure Blackhorn 209 will bring out the best in your muzzleloading rifle.