The Air Venturi Avenge-x Classic PCP Air Rifle with wood stock is a modular platform that provides unparalleled performance, especially at this price point. With this system, shooters can buy one air rifle that can be adapted for multiple shooting needs.Specifications and Features: Precharged pneumatic Reversible sidelever cocking Wood stock Interchangeable calibers: .177, .22, .25 (caliber change kits sold separately) Externally-adjustable, stainless steel regulator (up to 3,000 PSI) Easily-accessible hammer spring adjustment screw Externally-adjustable transfer port (Two Position) Two-stage adjustable trigger 210cc air tube Shots per fill (tube)*: 55 Max. fill pressure: 4,351 PSI (300 BAR) Max. velocity: 980 FPS (25.4gr) Max. power***:60 FPE (.25)