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Thread: 7x57 vs 8x57

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  1. #1
    Bah, humbug ! Frogfeatures's Avatar
    Join Date
    Nov 2013
    Location
    Auckland, until I can escape south....to Southland.
    Posts
    1,649

    7x57 vs 8x57

    Ok, so this is doing my head in, maybe I’m overthinking this, but..
    ADI start load for 7x57, 175 gr projectile 2208 is 31 gr
    Start load for 8x57, 175 gr projectile is 43 gr
    Yes, I know the shoulder on the 8mm is slightly forward, apparently it’s worth approximately 3 gr more capacity
    But, other than the larger calibre, I thought the cases were pretty much identical
    So, why the 12 grain difference ?
    What am I missing here ?
    He nui to ngaromanga, he iti to putanga.

    You depart with mighty boasts, but you come back having done little.
    Sounds like a typical hunting trip !

 

 

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