Gamo Varmint Stalker Air Rifle with Bull Whisper Barrel Single shot 0.177 caliber air rifle shoots up to 1250 feet per second (FPS) with lead 4x magnification, 32-millimeter objective rifle scope with rings Bull Whisper fluted polymer jacketed steel bull barrel with integrated noise dampener Recoil pad with up to 74 percent recoil absorption One-year limited warranty; not for sale in some specific zip codes