The bonded front core and progressively tapered jacket produce controlled expansion and energy release. The design stops expansion at its optimum point and maintains a longer shank for deep penetration. Series Safari Cape-Shok Caliber 458 Win Mag Application Hunting Bullet Type Trophy Bonded Sledgehammer Solid Bullet Weight 500 gr Muzzle Energy 4221 ft lbs Boxes Per Case 10 Rounds Per Box 20 Casing Material Nickel-Plated Brass Muzzle Velocity 1950 fps Unit Of Measure box