The Guarder magazine gas injection valve for KJ Works / WE / VFC is designed to increase the efficiency of your magazine. An additional feature is that it is also designed to be anti-freezing.
It is precisely made, and it's helping with fully loading magazine with gas.
This valve will fit to KJ/WE and VFC, not suitable for Marui, KSC, , APS, Army Armament magazine.
Sell of 2
