Winchester Power Max .30-06 Springfield Ammunition 20 Rounds PHP 180 Grains X30064BPFeatures and Specifications: Manufacturer Number: X30064BP Caliber: . 30 06 Springfield Bullet Type: Protected Hollow Point (PHP) Bullet Weight: 180 Grains Rounds: 20 Rounds per Box Muzzle Velocity: 2700 FPS Muzzle Energy: 2913 ft lbs Bullet Diameter: . 308 Bullet Ballistic Coefficient: . 394 Casing: Brass Features: Protected Hollow Point Bullet Contoured Jacket Bonded Core Technology High Retained Weight Usage: Deer, Big Game, Wild Boar Hunting