Federal Premium POWER-SHOK .308 Winchester 150 Grain Copper Hollow Point Brass Cased Centerfire Rifle Ammo 20 Rounds. New Power-Shok Copper provides that same consistency in a non-lead bullet. The accurate hollow-point copper projectile creates large wound channels and the all-new Catalyst? lead-free primer provides the most efficient and reliable ignition possible. Look for Power-Shok Copper in a variety of the most popular hunting calibers. Specifications for Federal Premium POWER-SHOK .308 Winchester 150 Grain Copper Hollow Point Brass Cased Centerfire Rifle Ammunition: Manufacturer: Federal Caliber: .308 Winchester Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 150 grain Cartridge Case Material: Brass Muzzle Velocity: 2820 ft/s Muzzle Energy: 2648 ft-lbs Application: Medium Game Package Type: Box Primer Style: Centerfire G1 Ballistic Coefficient: 0.278 Lead Free: No Features of Federal Premium 308Win 150gr Copper Power-Shok /20 308150LFA Copper-alloy construction Hollow-point design expands consistently Accurate reliable performance Large wound channels and efficient energy transfer to the target Lead-free bullet Federal brass and primers Package Contents: Federal Premium POWER-SHOK .308 Winchester 150 grain Copper Hollow Point Brass Cased Centerfire Rifle Ammunition What is Federal Premium POWER-SHOK .308 Winchester 150 Grain Copper Hollow Point Brass Cased Centerfire Rifle Ammunition good for? The manufacturer suggests that it is good for medium game.Federal 308150LFA: Premium POWER-SHOK .308 Winchester 150 Grain Copper Hollow Point Brass Cased Centerfire Rifle Ammo 20 Rounds