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Internal Fill Valve / Silent Fill Valve O-Rings (Pack of 8)


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 8 fill valve O-rings.


These high quality O-rings have been used at LPE 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.


Assembled in the United Kingdom by Lees Precision Engineering.

UK Shipping Prices


Royal Mail First Class – Free for orders over £25

Royal Mail First Class - £1.80 flat rate for orders £25 or under

Royal Mail First Class Signed For - £2.70 flat rate


Worldwide Shipping Prices


Royal Mail Standard Airmail – Free for orders over £25

Royal Mail Standard Airmail – £2.70 flat rate for orders £25 or under


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Lees Precision Engineering currently does not ship to China or Indonesia, orders placed with a shipping address to either country will be cancelled and refunded.