Internal Fill Valve / Silent Fill Valve O-Rings (Pack of 12)

Tired of wasting expensive gas through leaking fill valves or gas spewing out around the fill valve when the magazine is full? Now you can solve that problem with this pack of 12 fill valve O-rings.

These high quality O-rings have been used at Lee's Precision Engineering for years for repairing leaking fill valves on various bands of magazines and Moscarts with perfect results every time, in addition to replacing the internal fill valve O-ring these can also be used to make most fill valves silent fill meaning you will no longer waste gas each time you fill a magazines.

Fits most fill valves including Tokyo Marui, KSC & KWA, WE, KJ Works, Maruzen etc.

These can not be used to make King Arms moscart fill valves silent fill but will fit inside the valves. These do not fit inside some/most Tokyo Marui fill valves but can be used to make them silent fill.