Hornady TRADITIONAL 30 CAL 220 GR RN 100/BXFeatures:Inner GroovesStrategically weaken the upper section of the jacket, ensuring consistent, controlled expansion, even at long range.Tapered JacketJacket thickness is precisely controlled for expansion at all velocities.One-Piece CoreDoes not separate like divided cores. The InterLock® retains more mass and energy for deep penetration and large, consistent wound channels that ensure quick, clean kills.CannelureProvides accurate and consistent crimping and also works with InterLock® ring to ensure the core and jacket remain locked during expansion.InterLock® RingThe raised InterLock® ring is embedded in the bullet’s core, ensuring the core and jacket are locked in one piece during expansion to retain mass and energy.