Introducing the Umarex Prymex 490 .177 Caliber Air Rifle -- an affordable break barrel pellet rifle that has everything you need for plinking, pest control, or small game hunting. In .177 caliber standard lead pellets achieve a velocity of 490 feet per second. The gas piston break barrel design ensures smooth and reliable operation, while the dovetail scope mount allows for easy customization with the included 4x32 scope and rings, although many simply choose to hit their target using its fiber optic sights. .177 Caliber Pellet Rifle Break Barrel Action T.N.T Gas Piston Powered 11mm Dovetail Scope Mount 490 FPS with Lead Pellet Fiber Optic Iron Sights 6.17 Lbs 18.9 Inch Barrel 4X32 Scope Included