Sierra Sports Master ammunition give the feel and ballistic performance of expensive self-defensive ammunition, but in an affordable, innovative package for high-round count training sessions. The terminal performance of these cartridges is in line with general purpose hunting bullets, making Sports Master at home on the range or in the woods. This ammunition is new production, non-corrosive, in boxer-primed, reloadable brass cases.SportsMaster bullets are engineered to provide consistent, reliable expansion over a wide range of velocities. The featured Power Jacket insures unform expansion along serrated lines. This directly results in more consistent weight retention and the maximum energy transfer. FeaturesPower Jacket is topped with Sports Master Jacketed Hollow Point (JHP) bulletsSpecially placed skives in the jacket around the tip of the bullet provide positive, uniform, and controlled expansionCartridges are loaded with brass casings, making reloading with conventional equipment easy and economical