Gen2 Diana Stormrider, Black Synthetic Stock Air Rifle Kit PCP Bolt action Synthetic Stock Integrated muzzle brake moderator Max. fill pressure: 2900 psi Air tube volume: 100cc Max. reported muzzle velocity: 1050 fps (.177), 950fps (.22) Max. reported muzzle energy: 20 fpe (.177), 26 fpe (.22) Adjustable trigger Adjustable rear sight 11mm dovetail mount Includes rotary magazine, single-shot tray, and Air Venturi G9 pump Please note, the gauge location on the Synthetic Stormrider is at the front of the air cylinder. If you install the Diana Stormrider Regulator, you will not have a gauge that displays the regulator pressure.