Hatsan Jet I Convertible PCP Pistol Convertible pistol or rifle Includes removable synthetic stock PCP 40cc air cylinder fills to 3,625 PSI/250 BAR Shots at optimal velocity*: 24 (.177), 21 (.22), 15 (.25) Magazine capacity: 8 rounds (.177), 7 rounds (.22), 6 rounds (.25) Integrated manometer Max. velocity (lead-free): 810 FPS (.177), 700 FPS (.22), 611 FPS (.25) Max. velocity (lead): 788 FPS (.177), 700 FPS (.22), 608 FPS (.25) Max. energy: 9.7 FPE (.177), 15.6 FPE (.22), 16.5 FPE (.25) Length-adjustable buttstock Elevation-adjustable cheek rest Ridged rubber buttpad Flip-up fiber optic front sight Flip-up adjustable fiber optic rear sight 11mm Dovetail optics rail Picatinny accessory rail Barrel length: 7.9" Overall length (pistol): 15" Overall length (rifle): 22.8"-24.6" Overall weight (pistol): 2 lbs. Overall weight (rifle): 2.9 lbs. Includes 2 magazines, single shot tray, cylinder adapter, and spare o-rings * - within 85% of peak velocity. Tech Tip: The female foster adapter that is included with the gun can be used to fill this rifle. Other female QD's may not fit correctly. It is recommended to purchase PY-A-3550 for use with most modern compressors.