Nosler 59379 E-Tip 375 Cal 260 Gr Spitzer Boat-Tail (SBT) 50 Per Box Nosler's E-Tip, Lead Free, Expansion Tip Bullets Upon Impact, Nosler's Exclusive E Cavity (Energy Expansion Cavity) Allows For Immediate And Uniform Expansion, Yet retains 95% Weight For Improved Penetration. The E Cavity provides Amazing Stopping Power And Peerless Penetration Over a Broad Spectrum Of Impact velocities, rivaling Even The highest Quality Lead-Core Bullets. Bullet Type: Spitzer Boat Tail (SBT) Weight: 260 Gr Bullet Caliber: 357 Cal Jacket Material: Copper Bullet Tip Material: Polymer Core Material: Copper Solid Sectional Density: .264 Quantity: 50 Per Box