38-55 case length

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  • Gordon

    Ultimate Member
    Feb 20, 2011
    1,119
    Baltimore City
    Recently noticed there are 2 lengths for this cartridge. Long 2.125 and shorter 2.076-2.080. Anyone reloading this round able to shed some light on this would be helpful.
     

    K-43

    West of Morning Side
    Oct 20, 2010
    1,881
    PG
    The current SAAMI spec is on page 137 (149 in the Adobe app) of the current SAAMI PDF doc.
    https://saami.org/wp-content/upload...99.4-CFR-Approved-2015-12-14-Posting-Copy.pdf

    Your numbers match neither the SAAMI case nor chamber drawings, nor any of my reloading manuals.
    If you google you'll just get arguments in forums full of opinions and speculation.
    I just used the SAAMI length of 2.085"-.020" and Hodgdon's trim length of 2.075 since I was using their powder and data.
    I traded away that 1894 so can't take a chamber cast or anything now.
     

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