Daisy's PowerLine Model 415 Pistol is a 21-shot, semi-automatic, CO2-powered BB repeater. Just load BBs into the built-in magazine, insert a CO2 cartridge into the grip and you're ready for semi-automatic pistol shooting fun. Great for learning the techniques of gripping and shooting a firearm pistol - without the recoil and report. Open rear sight with fiber optic front sight and manual trigger block safety. With a maximum velocity of 495 feet per second, this pistol is recommended for adults and those 16 and older with adult supervision.