Hatsan Factor RC (Regulated Carbon) PCP Air Rifle Precharged pneumatic Repeater Reversible sidelever Externally-adjustable regulator Fully-shrouded QuietEnergy barrel with integrated moderator Fitted muzzle cap with 1/2" UNF threads Removable 580cc carbon fiber bottle 3,625 PSI/250 BAR max. fill pressure Shots at optimal velocity*: 140 (.177), 130 (.22), 120 (.25) Magazine capacity: 24 rounds (.177), 21 rounds (.22), 19 rounds (.25) Max. velocity (lead pellets): 1010 FPS (.177), 950 FPS (.22), 870 FPS (.25) Max. energy: 19.5 FPE (.177), 29.5 FPE (.22), 33.5 FPE (.25) Adjustable transfer port (3 levels) Adjustable hammer preload 2-stage adjustable Quattro Trigger Telescoping buttstock Textured pistol grip Elevation-adjustable cheekpiece Combination 11mm dovetail and Weaver/Picatinny optics rail Picatinny accessory rail Manual safety Foster quick-disconnect male fill port Regulator and fill pressure manometers Includes single-shot adapter, female Foster fill adapter, and two magazines Barrel length: 23" Overall length: 40.3"-42.9" Weight: 7.9 lbs. * - Shots within 85% of peak velocity. Tech Tip: It is recommended that the female foster adapter that is included with the gun is used to fill this rifle. Other female QD's may not fit correctly.