The next generation Swarm air rifle features Gamo's most powerful technologies, the 33 mm cylinder and the IGT Mach 1, allowing it to deliver next-level power with 1,300 fps in .22 caliber; SWA (Shock Wave Absorber) Recoil pad with up to 74% recoil absorption and a non-slip texture design on grip and forearm. That combined with our patent-pending 10X Gen3 inertia fed technology and the Whisper Fusion technologies, makes the Gamo Swarm Magnum 10X GEN3 a revolutionary break barrel Model : Swarm Caliber : 22 Capacity : 10rd Stock Material : Synthetic Action : Break Open OAL : 49.20" Barrel Finish : Black Barrel Type : Metal Jacketed Rifled Steel Ammo Type : Pellet Scope : 3-9x40mm Velocity : Inertia Generation : 3 Power Type : Gas Piston Safety : Thumb Stock Description : All Weather Lightweight Thumbhole Barrel Description : Black Steel Barrel Length : 21.30" Length of Pull : 15" Receiver Finish : Black Trigger: Custom Action Trigger Weight : 6.88 lbs Stock Finish: Black