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Thread: 30 Super Carry with Hand Loaded Cast Boolits

  1. #61
    Boolit Mold
    Join Date
    Apr 2021
    Posts
    22
    Quote Originally Posted by Kuduking View Post
    Still waiting for pressure-tested data from Hodgdon and Alliant. Might be along wait. Factory loaded ammo is more profitable for them.
    Emailed Vista/ATK/Alliant/Federal/Speer about a month ago and they were indignant that I would suggest they publish data for it. "Takes time". Right. They developed this cartridge over a year ago.

    Yet, a guy in a cowboy hat developed a few loads in his backyard:

    https://www.youtube.com/watch?v=5cY6NyV-EWM

    But Hodgdon just delivered, in time for Thanksgiving

    https://www.hodgdonreloading.com/reloading-data-center

    Looks like I finally have a use for that Longshot I bought a year ago...

  2. #62
    Boolit Master
    Join Date
    Dec 2006
    Location
    Near Austin
    Posts
    1,238
    COOL!
    Thanks for posting Kuduking.
    "Time and money don't do you a bit of good until you spend them." - My Dad

  3. #63
    Boolit Buddy
    Join Date
    Feb 2021
    Posts
    427
    Holy cow Hodgdon has a lot of data. I sure would like to see a pistol that holds 20 rounds in .30SC.

  4. #64
    Boolit Master
    Join Date
    Mar 2009
    Location
    Atlanta South Metro Area
    Posts
    766
    Maybe KelTec will make one with a large mag. GF

  5. #65
    Boolit Master
    Join Date
    Aug 2006
    Posts
    513
    Interesting!
    Id missed that Hodgdons had posted .30SC data.

    What little Id done with #5,#7, #2400, and LongShot, the surprise comes with LongShot!

    All the data that SOSS posted was similar to mine and what Hodgdons posted.
    However, the max charge of Hodgdons with LongShot is about a grain and a half above what I called max.

    Ill have to retry with some CCI SPP, and SRP.
    I was getting primer cratering and heavy swiping of primers above 5.7 so called 5.4-5.5 as tops. Somewhat lower velocities from my 3.6 barrel too.

    Well see...

  6. #66
    Boolit Mold
    Join Date
    Apr 2021
    Posts
    22
    Loaded 6.0 gr Longshot with Sierra 90 JHC and Hornady 100 XTP, OAL 1.090". Had CCI 400 SR primers on hand and used those. Will test and report back.

    Used Lee dies on a Dillon RL550. L .32 SWL shellplate does not work. A .32 ACP shellplate has poor fit, doesn't hold case during priming. The recommended .22 Hornet shellplate is just not quite right. The extractor groove on the .30 SC is tapered and the square edge on the top of shellplate damages it. Had to modify the shellplate by beveling the top edge.

    [L-R] - Once-Fired Case, Resized case before shellplate modification, Loaded round after shellplate modification
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    Modified Shellplate (beveled top edge):
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    Modification Tool:
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    Finishing 400 grit paper:
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    The Lee round nose bullet seater smashed the exposed lead nose of the Sierra 90 JHC into a helmet shaped oddball. Trimming was not ideal and doubt I will be using those again.

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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