The Steyr BB Airgun is a CO2 powered pistol airgun. The accessory rail allows for the attachment of flashlights/lsers, and the ergonomic panels make the pistol comfortable to hold. the 19 BBs are stored in the drop-out magazine along with a 12g CO2 cartridge. Accessory rail, Ergonomic gris design, Greem fiber optic rear sight, Unigue serial number of 450 FPS muzzle velocity/