The Whisper Fusion offers all-weather durability combined with maximum performance. Light weight synthetic stock, match grade fluted barrel and 1300 fps with PBA make the Whisper Fusion perfect for small game hunting, targets and pest control. The IGT (Inert Gas Technology) is a new advanced technology from Gamo for Adult Break-Barrel Air Rifles. This innovative technology allows shooting pellet ammunition by use of a pneumatic inert gas cylinder instead of conventional spring technology. Fluted Polymer Jacketed Steel Barrel with WHISPER FUSION Double Integrated Noise Dampening Technology. MECHANISM -Velocity: 1300 feet per second (fps) with PBA Platinum -Single Shot -Inert Gas Technology (IGT) -Break Barrel: Single Cocking System -Automatic Cocking Safety system -Barrel: Fluted Polymer Jacketed Steel with WHISPER FUSION Technology -Cocking Effort: 32 lbs. -Trigger: Two stage adjustable SAT (Smooth Action Trigger) -Manual Safety STOCK -Stock: Tough All Weather molded Synthetic -Butt Plate: SWA (Shock Wave Absorber) Recoil pad with up to 74% recoil absorption -Cheekpiece: Adjustable cheek piece molded for both Right hand and Left hand shooters -Checkering: Non-Slip texture design on grip and forearm OPTICS -Scope Ramp: Raised Rail -Scope: 3-9x40 air rifle scope with rings. SPECIFICATIONS -Weight: 8.00 lbs. -Length: 43'' -Ammunition: Any.177 Pellet -Caliber:.177 -Trigger Pull: 3.74 lbs. -Barrel Length: 18 in.