Hatsan Hydra Synthetic QE PCP Air Rifle Arrow launcher Swaps to airgun calibers: .177, .22, .25 (not included) Precharged pneumatic Cylinder size: 165cc Operating pressure: 2,900 PSI (200 BAR) Overall length: 42.7" Weight: 7.2lbs Max velocity: 220 FPS Scope mount Accessory rail Flip-up fiber optic sights Two stage adjustable trigger Manual safety Rubber butt pad Synthetic thumbhole stock Ventilated stainless steel