9mm Luger Load Reconstruction

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  • d'Artagnan

    Active Member
    Nov 4, 2008
    129
    Ellicott City
    I have a box of 9mm Luger reloads that worked quite well in my Browning HighPower. The problem is an essential part of the reloading label is missing, specifically the amount of Unique. Case WIN 9mm LUGER, primer Winchester small pistol magnum, bullet 115 Winchester FMJ, O.A.L. 1.155", mv=1239fps. What's left of the powder is .9gr Unique. Can anyone compute what the amount of Unique was?
     

    noylj

    Active Member
    Jun 3, 2012
    144
    1239 fps? That is most likely somewhere between 5.8gn and 6.3gn, depending on your lot of Unique...
    5.7-6.0gn is generally where best accuracy if found.
     

    ras_oscar

    Ultimate Member
    Apr 23, 2014
    1,667
    just because I'm nosy.... How did a portion of the reloading label come to remove itself?
     

    Biggfoot44

    Ultimate Member
    Aug 2, 2009
    33,108
    My first response is to use the same other components, and work up to 1239GPS over your chrono.

    But upon closer look at the first post, I'm questioning the selection of Magnum primers for easy to ignite powder, with a healthy LD, in a small capacity case . ( Perhaps those loads were done during the Primer Shortage , when people used what they could actually find ? )
     

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