Airsoft smith Posted June 11, 2021 Share Posted June 11, 2021 Hello. I'm searching for my AA12 gbb project the exact thread dimensions of exhaust valves. They look all the same, so it's possible that they have all the same dimensions. https://www.redwolfairsoft.com/prowin-release-valve-for-prowin-model-17-18-hi-capa-mws-m4a1-gbb-gas-magazine.html Edit: looks like nobody is willing to help. Link to comment Share on other sites More sharing options...
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