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256 win mag

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3 comments

  • varian
    is it possible to make 256 win mag cases out of 357 mag brass for this round. is it reasonably easy to do. thanks
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  • nononsense
    varian,

    According to the practitioners, anneal first then use a .30 Mauser die to start the neck and finish with the .256 die.

    Best.
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  • 62fuelie
    Be sure to use brass cases not nickle plated ones, you'll lose too many in the neck down. I did this for my Marlin lever gun 30+ years ago and with fresh brass and light lube was able to go straight into the .256 die without the intermediate step. One trick I found was that after the round was loaded I needed to pass them thru a carbide .357 die with the center spindle removed for easier chambering.
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