Sako's Super Hammerhead Ammunition was specifically designed for large game hunting at close to medium range. These cartridges are equipped with a heavy jacket as well as a bonded core to retain weight to ensure superior penetration and expansion. During the manufacturing process, every cartridge is individually inspected, with only the highest quality of powder and primers used. In addition Sako Super Hammerhead Cartridges feature premium cases made from material free from impurities, and are given a proprietary heat treatment to maximize reloadability and preserve the lifespan and safety of any rifle. Features of Sako Super Hammerhead AmmunitionBonded core for weight retentionBoat tail bullet design for high ballistics efficiencyNon-fragmented bullet for controlled expansionBallistics coefficient: 0.273FPS: 2805 Sako Super Hammerhead .308 Win 150gr Ammunition Box of 20 C629235ASA10XBX