Crow Magnum Features Hatsan H&N Crow Magnum Pellets .177 500/ct Crow Magnum Specifications Caliber .177 (4.5mm) Ammo Type Pellets Suggested for Small game hunting/target practice Weight 8.8gr Head Size 4.50 mm Quantity 500 Muzzle Energy 12 ft/lbs Muzzle Velocity 758 fps Energy at 25 yds 7 ft/lbs Velocity at 25 yds 594 fps Energy from the initial value at 25 yards 61 % Energy at 50 yds 4 ft/lbs Velocity at 50 yds 463 fps