Patent ID: 7617819

Claim:
A bolt for a paintball gun that comprises a valve stem, said bolt comprising: a substantially hollow tubular body comprising a sidewall extending from a forward end of the bolt to a rearward end of the bolt; an opening formed through the rearward end of the bolt, wherein an interior of the tubular body is sized to receive a valve stem of the paintball gun therein through the opening in the rearward end of the bolt, and wherein the forward end of the bolt contacts a paintball during operation of the paintball gun; a pneumatic piston member arranged on the sidewall of the bolt to move the bolt forward and rearward in the paintball gun under operation of compressed gas; one or more ports disposed through the sidewall of the body at a predetermined location along the bolt forward of the pneumatic piston member; and wherein said bolt is configured to be slidably arranged on the valve stem with a sealing member communicating with an internal surface of the bolt, and wherein the sealing member prevents compressed gas from escaping from the paintball gun through the bolt, when the bolt is in a first position and allows compressed gas to be released from the paintball gun through the bolt when the bolt is in a second position.