Calibre / Shots Per Fill* .177 / 4.5mm 280 shots .22 / 5.5mm 340 shotsMax Muzzle Velocity .177 / 4.5mm 825 ft/s (251 m/s) .22 / 5.5mm 570 ft/s (174 m/s)Fill Pressure* .177 / 4.5mm 232 bar .22 / 5.5mm 232 bar