375 Ruger Hornady Dangerous Game Series 270 Grain SP-RPHornady Superformance . 375 Ruger 270gr Spire Point Recoil Proof at up to 200 FPS faster than conventional loads. The SP RP bullets InterLock ring keeps core and jacket locked together during expansion for deep penetration and high weight retention on dangerous game. Temperature stable propellants perform from arctic cold to desert heat. Reloadable brass, non corrosive. 20 rounds per box. Caliber: . 375 Ruger Bullet: 270gr SP RP Up to 200 FPS velocity