Recent content by bob999

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    RCBS Precision Mic large variation

    Removed the gas plug and shot 5 rounds. Measured before and after. Before readings were -.003 to -.001. After readings were much more consistent than the previous results; .000 to +.002. Thanks for all the advice.
  2. B

    RCBS Precision Mic large variation

    Thanks for all the replys. Will definitely try the gas plug experiment and post results.
  3. B

    RCBS Precision Mic large variation

    Hi, I've just gone through about 100 Lake City 30-06 fired in our club Garand. I found quite a difference in head space readings from -.001 under to +.009 over min. SAAMI spec. About 30% are at +.009 over minimum. Is this spread typical for military brass? Should I assume that the chamber...
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