Calibre / Shots Per Fill* .177 / 4.5mm 150 shots .22 / 5.5mm 150 shotsMax Muzzle Velocity .177 / 4.5mm 545 ft/s (166 m/s) .22 / 5.5mm 460 ft/s (140 m/s)Fill Pressure* .177 / 4.5mm 232 bar .22 / 5.5mm 232 bar