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.222 rem case

Discussion in 'Handloading and Reloading' started by wj kerr, Jan 25, 2010.

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  1. wj kerr

    wj kerr Member

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    Jun 20, 2009
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    Location:
    united kingdom
    hello all have a question regarding case length am working up a load in .222 rem using h322 made 7 rounds at 21.6 grains 7 at 21.9 and 7 at 22.2 with rp new brass and cci 400 primers checked case length before reloading it was around 1.694 after i test fired all cases had shrunk to around 1.685 what is going on here. once again thanks in advance.wj.
     
  2. Walkalong

    Walkalong Moderator

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    Location:
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    Normal.

    Cases swell to fill the chamber, becoming both wider and shorter. Size them and they will narrow and lengthen again.
     
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