Characteristics:?New shape for better accuracy!?The weight has been chosen to fit the most powerful air rifles currently available on the market. It is a really heavy weight pellets that is stable even at 50J+ power levels but fits also 70J+ rifles. Number one choice for the owners of FAC air guns.?Muzzle velocity is 140 m/s if the power of airgun is set to 16J. uzzle velocity is 250 m/s if the power of airgun is set to 50J. Muzzle velocity is 295 m/s if the power of airgun is set to 70J.