This CO2 powered air pistol defines adaptability as it provides the option for single or double action, as well as the ability to shoot both BB's and Pellets. It also features a rifled barrel, metal barrel, an eight shot clip, an accessory rail on the front of the trigger guard, as well as velocity of up to 430 fps. Call Toll Free 800.726.1696 if you have additional questions, our knowledgeable staff is standing by between M-F 9am - 5pm EST or email at staff@compasseco.com .