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Thread: Loading 44 mag with trail boss...what am I missing?

  1. #21
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    JonB_in_Glencoe's Avatar
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    Mar 2010
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    Land of 10,000 Lakes
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    11,289
    .430 then .428 in 1/8" ? that's not good.

    Did you measure more than one J-word?
    Since you have some seat easier than others, maybe that is where you variation lies?

    You haven't mentioned if you are expanding the case, which is different then just flaring the mouth. Expanding the entire area where the bullet/boolit seats to is what makes the inside uniform for little or no variation in case tension.

  2. #22
    Boolit Master Tripplebeards's Avatar
    Join Date
    Apr 2017
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    Southwest, Wisconsin
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    1,575
    No just flaring the mouth. Explains why hornady was giving away the bullets with a die purchase. I measured 2 and they were both the same.

    Hornady said if I send what’s left back and they check out bad they would send me 2 boxes in exchange.
    Last edited by Tripplebeards; 02-12-2019 at 02:22 PM.

  3. #23
    Boolit Mold
    Join Date
    Dec 2017
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    14
    I just measured some from a box I have here, they are .430 all the way to the cannelure.

  4. #24
    Boolit Bub
    Join Date
    Sep 2018
    Posts
    71
    I just measured a few out of each of my 4 boxes, of Hornady 44 mag bullets, and all are .430 all the way up to the cannelure. The bullets, I suspect, would be your problem. My cast are all between .429 and .430, depending on the different molds I use.

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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