striped1 Posted February 27, 2016 Share Posted February 27, 2016 I am trying to tighten up groups that tend to vertically spread as the barrel heats. I attribute this to tolerance stacking on the barrel extension to receiver fit. I have stainless shim stock to use to shim. My question is do you wrap around to the timing pin and leave a full length space for it or do you wrap all the way around and notch for the pin? Link to comment Share on other sites More sharing options...
slowhand23 Posted February 27, 2016 Share Posted February 27, 2016 Also discussed here with some pics http://www.brianenos.com/forums/index.php?showtopic=226246&hl=+shim Link to comment Share on other sites More sharing options...
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