Sports Master handgun bullets are engineered to provide consistent, reliable expansion over a wide range of velocities. Sierra has added a serrated "Power Jacket" on hollow cavity and hollow point bullets.On impact, the "Power Jacket" expands uniformly along the serration lines for consistent weight retention and maximum energy transfer..30 Caliber Sports Master85 Grain RNRound NoseDiameter: .308/7.82mmSectional Density: .128Ballistic Coefficients: .102 2400 fps and above .106 between 2400 and 1500 fps .113 1500 fps and belowFOR USE IN HANDGUNS ONLYNote: These are component bullets, not loaded ammunition.