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Thread: 7x57 vs 8x57

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  1. 13-04-2024, 12:39 PM #2
    Micky Duck
    Micky Duck is offline
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    the extra size of the long skinny hole = less resistance to push same weight out the end of it..projectile will be shorter with less bearing surface.

    7mm-08 150grn with imr4895 max of 40grns //////////// 308 150grn with imr4895 max of BOTH 45 AND 47 depending on projectile

    arguably closer sized cases showing similar thing.
    Frogfeatures and Longrun like this.
    75/15/10 black powder matters
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