The Umarex DX17 single stroke air pistol is the perfect air gun for recreational plinking. This spring-piston gun fires .177 BBs and has a convenient built-in ammo reservoir that holds 15 BBs. The DX17 has an integrated Picatinny rail, a fiber-optic front sight, and an ergonomically comfortable grip. The serrated slide makes it easy to grasp and charge and the flip-up loading port makes it simple to load with BBs. This Umarex BB Gun includes 200 steel BBs in the kit. Its an incredible value that allows you to experience the fun and action of shooting just about anywhere there's a safe backstop. Airguns like the DX17 are great for building shooting proficiency. .177 Caliber BBs or Pellets Spring Powered Manual Safety 200 FPS