Robocop1051 Posted October 13, 2012 Report Share Posted October 13, 2012 I don't trust the insert style blocks.These posts confirm my aversion to those blocks...http://308ar.com/forum/building-a-308ar/help/msg37228/#msg37228http://308ar.com/forum/building-a-308ar/help/msg37264/#msg37264 Quote Link to comment Share on other sites More sharing options...
dprice38444 Posted September 17, 2016 Report Share Posted September 17, 2016 http://www.brownells.com/gunsmith-tools-supplies/rifle-tools/barrel-tools/308-ar-barrel-extension-torque-tools-prod72374.aspx?avad=avant&aid=7835&cm_mmc=affiliate-_-Itwine-_-Avantlink-_-ale&utm_medium=affiliate&utm_source=Avantlink&utm_content=NA&utm_campaign=Itwine Quote Link to comment Share on other sites More sharing options...
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