Raptor Whisper Air Rifle Available in .177 or .22 Cal pellet The IGT (Inert Gas Technology) is a gas piston that replaces the spring delivering more terminal velocity (1300 fps in .177 Cal. and 975 fps in .22 Cal. ), less vibration, more consistent power and a constant and smooth cocking effort. This air rifle also features the well known WHISPER noise reduction technology patented by Gamo. The SAT (Smooth Action Trigger) has a smooth action pull, it maximizes the pinpoint accuracy and has a clean, creep and crisp feel. 4 x 32 Shockproof Scope. It has a synthetic ambidextrous all-weather stock. The SWA (Shock Wave Absorber) is a recoil pad with rubber inserts designd to absorb the recoil. Lightweight design. 1 YEAR WARRANTY. Made In Spain