The GAMO Swarm Whisper pellet rifle features 10X Quick-Shot patent pending technology that utilizes a 10-round rotary-style magazine providing faster loading for repetitive shooting. This air rifle also features the IGT (Intert Gas Technology) piston that allows higher velocity less vibration and a longer lifespan than the traditional spring powered airguns. The GAMO Swarm Whisper also features the well-known patented Whisper noise dampening technology. Features: Up to 975 fps (.22 Cal) using Gamo PBA Platinum pellets IGT (Inert Gas Technology) piston Whisper noise dampening technology two-stage trigger single cocking break barrel automatic cocking safety system manual trigger safety fluted polymer jacketed steel barrel and a 4×32 shockproof scope with rings. One Year Waranty. – Caliber: 0.22 – Velocity: 975 feet per second (fps) with PBA Platinum. – Action: 10X Quick- Shot technology enables you to shoot up to ten pellets without reloading. Single cocking system. – Noise dampening: WHISPER – Powerplant: IGT Inert Gas Technology gas piston. – Barrel: Fluted polymer jacketed rifled steel barrel with WHISPER noise dampening technology. – Trigger: Two stage trigger. – Stock: Automotive grade glass filled nylon all-weather. – Checkering: Non-Slip texture on grip and forearm. – Recoil Pad: Ventilated rubber. – Safety: Manual safety and automatic cocking safety system. – Rail: GAMO standard 11 mm aluminum rail. – Warranty: 1 Year. – Weight: 5.43 lbs – Length: 44.5 in. – Length of Pull: 14.4 in. – Ammunition: Any .22 Cal. Pellet. – Trigger Pull: 3.53 lbs. – Barrel Length: 19.1 in. – Cocking Effort: 30 lbs.