Premium Features Federal brought back the immensely popular Barnes Triple-Shock X. This proven all-copper hollow point groups tightly at long range and delivers consistent large-diameter expansion. The monolithic design retains nearly 100 percent of its weight on impact to penetrate deep and its grooved shank minimizes barrel fouling and improves accuracy. Premium Specifications Caliber: 270 Win Model: Premium Bullet Weight: 130 gr Rounds Per Box: 20 Casing Material: Brass Application: Medium Game Bullet Type: Barnes Triple-Shock X Muzzle Energy: 2703 ft lbs Muzzle Velocity: 3060 fps