The .22 Cal. Gamo Swarm Magnum features 1,300 FPS .22 IGT MACH 1 gas piston, a 10X Quick-Shot System, and Whisper Fusion the quietest noise dampening technology. It also offers a patented polymer jacketed steel barrel, 3-9x40 scope, RRR scope rail, CAT (Custom Action Trigger), and SWA recoil pad. Provides an automotive grade glass filled nylon all-weather stock.