Neck sizing

Discussion in 'Reloading' started by Kgkimerer, Oct 5, 2018.

  1. Kgkimerer

    Kgkimerer Well-Known Member

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    257 Weatherby, first time with a belted magnum. Chambered ina Ruger No.1. Neck or full length sizing?
     
  2. Canhunter35

    Canhunter35 Well-Known Member

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    Try just neck sizing and see if they chamber. They probably will until the neck grows enough to fill the chamber might take a firing or two
     
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  3. Rich Coyle

    Rich Coyle Well-Known Member

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    From my experience neck sizing produces slightly more velocity and slightly better groups. Just have 2 run in each round through the chamber before going hunting.
     
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  4. 243winxb

    243winxb Well-Known Member

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    Sep 9, 2016
    FL, a #1 has no camming action , like a bolt action. Use a comparitor to gauge amount of sizing needed.
     
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  5. L.Sherm

    L.Sherm Well-Known Member

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    Jul 26, 2017
    Set your FL die up with a comparator to bump the shoulders back .002
     
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