Inception Designs Autococker High Flow Valve 9 16ths Bore 3000psi Tanks they would have a retail 34091 they would have a retail value of over $850 Standard CA Thread Foregrip Expansion Chamber and Vertical Adapter The valve has a fin stabilized molded cup seal for consistency and utilizes an o ring sealed oversize stem that uses the pressure of the gas flowing through the valve to rapidly close the valve creating a much shorter and more consistent gas burst which in turn helps with efficiency This is a modern high flow and very rapid closing valve that is available as an upgrade for any gun with an 9 16ths bore and is the standard valve that comes in all 9 16ths lower bore guns from Inception