Calibre / Shots Per Fill* .177 / 4.5mm 367 shots .22 / 5.5mm 393 shotsMax Muzzle Velocity .177 / 4.5mm 475 ft/s (145 m/s) .22 / 5.5mm 395 ft/s (120 m/s)Fill Pressure* .177 / 4.5mm 232 bar .22 / 5.5mm 232 bar