hired_gun Posted June 11, 2015 Report Share Posted June 11, 2015 I am building 2 .308 rifles and have run into the same problem with both Neither one will pass a headspace test. The bolt won't close on a "go" gage, or a "no go" gage or even a dummy 308 round. It stays open and comes nowhere near being closed. I tried swapping bolts between rifles, no difference I tried a third bolt I had on hand, same thing I tried it with the extractor in as well as out, still nothing. They will fully close without anything in the chamber, but not with the dummy round or headspace gages. one rife is a DPMS carbine style barrel with a DPMS bolt and DPMS upper The other is an Ares Armor barrel with a DPMS upper and an Ares Armor bolt. Any suggestions or help here would be appreciated. Quote Link to comment Share on other sites More sharing options...
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