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Thread: Resizing 270 WSM brass to 300 WSM?

  1. #1
    Team GunsNetwork PLATINUM 10/2012 rci2950's Avatar

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    Resizing 270 WSM brass to 300 WSM?

    I have about 45 270 WSM brass that I would like to use in my 300 WSM rifle (Browning A-Bolt). I resized one of the 270 to 300 and the dimensions look the same off hand. what's the general consensus?
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  2. #2
    Team GunsNet Gold 07/2012 / Super Moderator Gunreference1's Avatar

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    Here are the dimensional differences:

    .270 WSM - https://loaddata.com/Cartridge/270-W...a-bullets/8130

    ,300 WSM - https://loaddata.com/Cartridge/300-W...y-Bullets/7451

    Pay attention at the dimensions around the shoulder.


    Steve
    Last edited by Gunreference1; 06-02-2019 at 01:36 AM.
    After today, it's all historical.

  3. #3
    Team GunsNetwork PLATINUM 10/2012 rci2950's Avatar

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    Measuring the resized 270 round it looks like the expansion of the neck causes the shoulder to be the correct dimension
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    Salt Water Cowboy - Dolphin 38

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