I have CMMG upper that I'm going to put a freefloat rail on. Since there is no gas tube running to the railed front gas block, it seems like I could remove it and just put a longer rail on.
Anyone tried running the cmmg upper without the "gas block"? Any reason not to do this?
Anyone tried running the cmmg upper without the "gas block"? Any reason not to do this?



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