G gorilla Members Joined Dec 15, 2013 Messages 33 Reaction score 1 Apr 12, 2025 #1 Hi, I have a few WE M4 mags which seem to have developed an issue. Once I fire the first shot, the mags vent all the gas out the barrel. Other mags work fine. Any help is appreciated
Hi, I have a few WE M4 mags which seem to have developed an issue. Once I fire the first shot, the mags vent all the gas out the barrel. Other mags work fine. Any help is appreciated
EDcase AF-UK patch owner Joined Jun 24, 2017 Messages 3,626 Reaction score 1,625 Apr 12, 2025 #2 Sounds like the output valve is a bit sticky. You'll need to remove it and clean (possibly replace) the seals. You just need a valve key like THIS.
Sounds like the output valve is a bit sticky. You'll need to remove it and clean (possibly replace) the seals. You just need a valve key like THIS.
