The Gamo Magnum is a break-barrel spring piston air rifle producing up to 1650 fps with PBA Platinum alloy pellets. Features Gamo's IGT Mach 1 gas piston, CAT adjustable trigger, and an all-weather synthetic stock. One of the highest-velocity break-barrel rifles available. Type: Rifle Action: Spring Piston Caliber: 177 Cal Capacity: 1 Year introduced: 2018, Spain Weight: 105.6 oz Overall length: 48.1" Status: Active Intended use: pest-control, hunting, backyard