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Thread: 45-90 Jamison

  1. #1
    Boolit Master
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    45-90 Jamison

    A friend dropped off 4 boxes of these. Any idea what the load is? Black powder? Smokeless?
    Thank you!Click image for larger version. 

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  2. #2
    Boolit Buddy
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    Based off the velocity figure, I'd say smokeless. Maybe with that light weight bullet could be black.
    Last edited by hawkenhunter50; 04-02-2022 at 12:24 AM.

  3. #3
    Boolit Grand Master Nobade's Avatar
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    Can you hear the powder rattle around when you shake one?

  4. #4
    Boolit Master
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    Some shake a tiny bit (stethoscope on the case) most do not. The boxes were still sealed with the label so I don't believe that they are anything but original. As far as the velocity goes, I've noticed that a lot of advertised velocities are a bit optimistic, but I don't think that it's out of range for an express loading like this with black powder.
    I'm going to have to dump one to find out.

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  5. #5
    Boolit Grand Master Don McDowell's Avatar
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    I don’t think Jamison loaded any but smokeless I their factory amm
    Long range rules, the rest drool.

  6. #6
    Boolit Master
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    It looks like 63gr of IMR3032 (or similar).
    Thank you for your help!

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  7. #7
    Boolit Bub dirtball's Avatar
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    You still end up with 80 pieces of really good brass!!

    Dave
    "How a politician stands on the Second Amendment tells you how he or she views you as an individual... as a trustworthy and productive citizen, or as part of an unruly crowd that needs to be lorded, controlled, supervised, and taken care of."
    --Rep. Suzanna Gratia Hupp (TX)

  8. #8
    Boolit Buddy Gobeyond's Avatar
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    And a little stash of 3031.

  9. #9
    Boolit Master Lead pot's Avatar
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    Did you find a wad in the case? if you did dump all the loads

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check