Hatsan Invader Auto Semi-Automatic PCP Air Rifle Precharged pneumatic Semi-automatic Advanced polymer tactical thumbhole stock QuietEnergy fully-shrouded barrel Removable 255cc aluminum air cylinder with integral manometer 200 BAR max fill pressure Max. velocity w/ lead pellets: 1000 FPS (.22), 900 FPS (.25) Max. energy: 34 FPE (.22), 38 FPE (.25) Shots at optimal velocity**: 50 All-weather textured grip Spare magazine slot in stock Elevation-adjustable cheekpiece Rubber buttpad Removable carry handle with integral sights Elevation adjustable front open sight on carry handle Windage and elevation adjustable open rear sight on carry handle Picatinny optics rail under carry handle 12-shot (.22) or 10-shot (.25) magazine (2 magazines included) Sling swivels ** - Available shots within 85% of max. velocity. ... ...