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Old October 16, 2011, 08:22 PM   #7
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Join Date: June 17, 2010
Location: Virginia
Posts: 4,716
Start w/ the Full Length resizer die about a quarter's width (1.75 mm or 1 turn) off the shellholder Try to chamber a sized casing. (It may now have been side-squeezed/lengthened too long and the bolt will not close easily.) Gradually adjust the die down to where the case will just re-enter the chamber and the bolt close w/o any significant feel. Lock the adjustment ring at that point.

That will size your case to custom fit the chamber (pretty much) as well as a neck sizer only.

Pick up Hornady comparator kit ...
...and you can turn what you've determined by feel -- into a measurable science.
mehavey is offline  
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