Patent ID: 7533664

Claim:
A paintball gun assembly comprising a casing, a low pressure regulator for receiving compressed air from a source, a chamber for receiving air under pressure from the regulator, a spool valve, and an actuator means for actuating the spool valve, the casing having a barrel and a bolt moveable in the barrel to select and fire paintballs, the spool valve comprising an elongated housing of circular section in which a spool is reciprocable, the housing including radial openings therein, the spool including two seals associated therewith and a longitudinal bore therein, the longitudinal bore including an inlet at one end of the spool and an outlet between the two seals for selectively communicating the chamber with the radial openings in the housing for controlling movement of the bolt, wherein the regulator, the chamber, the spool valve and the actuator are located in the casing under the barrel and arranged in an approximately linear array generally parallel with the barrel.