Gamo Swarm Viper 10X Gen3i Multi-Shot Air Rifle 10X GEN3i auto-loading upgraded inertia-fed magazine Breakbarrel .177 or .22 caliber All-weather nylon stock filled with automotive-grade glass IGT gas piston 2-stage independently-adjustable Custom Action Trigger (CAT) Whisper Maxxim noise suppression Max. velocity (alloy pellets): 1300 FPS (.177), 1000 FPS (.22) Shock Wave Absorber (SWA) recoil pad Non-slip checkered rubber inserts on grip and forearm Rubber insert on cheekpiece 11mm dovetail aluminum Recoil Reducing Rail (RRR) Manual safety Automatic safety while cocking Barrel length: 19.9" Overall length: 45.3" Weight: 5.71 lbs. Includes Gamo 3-9x40 scope and rings 3-year limited warranty