Quote:
Originally Posted by damage
Your problem is the nozzle it does not match the KA hop up. I dont know if other aftermarket M4 nozzle will work on ICS but good luck though. There is one company that makes Metal hop chamber for ICS M4 and it made by "Tech-Pro".
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The thing is, I know a few ICS M4 owners with metal hop ups (systema, src...) and they all work fine. So I don't think it's about the hop up, but more the way I installed it.