Patent ID: 7600509

Claim:
A paintball gun system comprising: a gun body associated with a gun-side fitting for receiving a source of propellant gas; a propellant tank including a source of propellant gas; a regulator associated with the propellant tank for controlling the flow of propellant gas out of the propellant tank; an insert including a first end and a second end, wherein the first end is configured for sealed engagement with the gun-side fitting and the second end is configured for sealed engagement with the regulator, wherein the insert defines a first passageway in fluid communication with the regulator and a second passageway in fluid communication with the gun-side fitting; an on-off mechanism movable between a first position and a second position, wherein the on-off mechanism provides fluid communication between the first passageway and second passageway when in the first position, but does not allow fluid communication between the first passageway and the second passageway in the second position.