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Thread: 257 and 340 wby loads

  1. #1
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    Jan 2012
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    Default 257 and 340 wby loads

    If anyone has some 257 and 340 wby loads they are using I would appreciate your passing them along--thank you

  2. #2
    Member Matt's Avatar
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    Apr 2006
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    Alaska
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    3,410

    Default

    72.5g RL-22 and 100gr Barnes TSX yielded 3700fps out of a 27" barrel winchester super grade for me. Half grain over book max so I would drop down a few grains and work your way up.

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