Crosman CCICE7B Iceman CO2 Semi-Auto BB/Pellet Pistol Shoots .177 Caliber, Lead pellet velocity up to 400 fps, Alloy pellet velocity up to 475 fps, Steel bb velocity up to 435 fps Double and single action 8-shot rotary clip holds bb's or pellets Fixed front and rear sights Under-barrel Picatinny accessory rail