Patent ID: 7640925

Claim:
A pneumatic assembly for a paintball gun, comprising: a valve stem disposed longitudinally in the pneumatic assembly, said valve stem comprising an internal chamber defined by a longitudinally disposed sidewall extending from a forward portion of said valve stem to a rearward portion of said valve stem, a forward wall, and a rearward wall, wherein said internal chamber is configured to receive a quantity of compressed gas, said valve stem further comprising one or more chamber ports arranged through the longitudinally disposed sidewall for communicating the compressed gas with an exterior of the valve stem; and a bolt slidably arranged on the valve stem, said bolt comprising a sidewall extending from a forward portion of the bolt to a rearward portion of the bolt, said bolt moveable between a first position and a second position, wherein said bolt comprises one or more bolt ports arranged through the sidewall in fluid communication with a compressed gas storage chamber and in fluid communication with the internal chamber through the one or more chamber ports.