planeflyer21 Posted November 12, 2012 Report Share Posted November 12, 2012 So looking to replace my gas blocks. Looks like the closest measurement is 0.750", with the Operator barrels measuring 0.740" exactly. Is this a "close enough" proposition?Now, is there any issue with aluminum gas blocks? Any preference of set screw type versus the clamping type? It would seem the clamping type would get a better seal.Jon Quote Link to comment Share on other sites More sharing options...
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