Rugged and innovative, the Valken M17 mechanical paintball gun requires no batteries to operate and fires from a unique blow forward operating system for consistency and accuracy. Fed from it's 18 round magazine able to feed .68 caliber paintballs and First Strike rounds, the M17 features the ability to switch from semiautomatic to fully auto at the flip of a lever, a polymer pistol grip, accessory rails for lights, lasers foregrips or other accessories and simple teardown with only two pins. (tank not included)