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Short 223 varmint chamber
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it was the FL size die. I backed it out 1 turn and now the bolt closes easily. Not sure why I can't do a FL size but o well it shoots .5 moa. I had to do the same thing for my other tikka as well.
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the only way to truly check the chamber is to get some cerrosafe (avail on ebay cheap) and do a chamber cast. It is a low melting point metal that will nearly perfectly image your chamber. It will shrink a bit on cooling so take measurements after it cools enough to handle but is still warm (we are talking .0005 i think so don't worry about cooling a lot). I say this assuming you have tools to measure the cast accurately. I would be surprised if the chamber is the problem. you could also cast the sizing die but before you go to all that trouble you might consider buying a Redding or Forster full length sizing die (preferably a Redding type S Bushing full length die with a .245 bushing and use the carbide expander button). This is not cheap i know but while i love Lee stuff the redding is better.
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