The newest version of the Winchester Model 11K CO2 Pistol features a handsome nickel finish with checkering on the black grip plates. This pistol comes enclosed in a durable hard-shell case with protective foam inserts that hold two 12 gram CO2 cartridges and a 750 count tin of Winchester BBs snugly in place for transport to the range. This 16-shot BB pistol features semi-automatic blowback action and sends your shots downrange at a maximum velocity of 410 fps. This pistol is suitable for adults and those 16 and older with adult supervision.