115gr tsx in 257 wby

Discussion in 'Reloading' started by alaska, Sep 27, 2011.

  1. alaska

    alaska Well-Known Member

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    Feb 1, 2010
    Anyone use the 257 wby with 115 tsx

    Have a accumark and was looking at the suggested twist rate by barnes 1:9 and my accumark is 1:10.