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Thread: 30/30 to 32/40

  1. #1
    Boolit Master
    Join Date
    Sep 2010
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    361

    30/30 to 32/40

    can 32/40's be made from 30/ 30's or 32 WIN SPL? if so how?

  2. #2
    Boolit Master
    Bent Ramrod's Avatar
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    Apr 2005
    Location
    Southern Arizona
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    3,125
    If you start with .30-30 shells, lube with Imperial Sizing Wax and run them (gradually) into a .32-40 full-length sizing die with the expander/decapper rod removed. It gets pretty stiff down near the base of the shell, so I screw the die in gradually, press the shell in and out, make sure the lube hasnít migrated away from any surface, screw die in a little more, and continue until it bottoms out.

    Then I put about 9 grains Unique into the shell with Cream of Wheat and a wax wad and fireform.

    You should be able to leave the expander/decapper in the die if you use .32 Special shells, but you will still need to fireform to turn the slight neck juncture into a taper.

    Both shells will come up a little shorter than real .32-40 shells, but they will still be usable.

  3. #3
    Boolit Bub
    Join Date
    May 2018
    Location
    MN
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    32
    Same technique but use 38-55 brass instead. They will come out at about the right length.

    RichardB

  4. #4
    Boolit Mold
    Join Date
    Jul 2018
    Location
    Green country Oklahoma
    Posts
    18
    I reform 30-30 to 32-40 I lube outside of case and a small amount of lube on the inside maybe 1/4 inch and run it through the die back and forth a little at a time with expander installed works good as long as you don't try to do it in one pass, from my research they say 32 specials works better than 30-30 because the 32 is already at 321 and you do not have to expand from 308 to 321 I am in the process of getting some new 32 special brass to give it a try. as for the 38-55 they make a 38-55 long brass and from my research they come out at the right length or a tad long.

    Deaconllb

  5. #5
    Hello Toot,

    What I did was to run a .32 Cal expander through, then sized with the 32-40 Die. I also used the RCBS 32-170-FN cast bullet, which seats taller than the original 32-40 bullet. I trimmed cases to meet the OAL of the cartridge to feed in my 1893 Marlin.

    Hope this helps, AntiqueSledMan.

  6. #6
    Boolit Master
    Join Date
    Sep 2010
    Posts
    361
    ANTIQUESLEDMAN, and all others who responded, thanks for the help. i am in business now, shooting both cast and the other ones.

  7. #7
    Boolit Mold
    Join Date
    Jul 2018
    Location
    Green country Oklahoma
    Posts
    18
    What I really would like to find is some true 32-40 brass or loaded factory ammo but at 75/100 a box on Gun Broker just too steep for me.

    Deavonllb

  8. #8
    Boolit Master
    Join Date
    Aug 2009
    Location
    gardners pa.
    Posts
    2,745
    I won a match with a 94 rifle with cases formed as in post number 2. I loaded with 35 gr. 2f through a 24 inch drop tube. the bullet was the lyman 165 gr. listed for the 8 m/m lubed with spg.

  9. #9
    Boolit Master
    Join Date
    Sep 2010
    Posts
    361
    bob208, were they .321 or .323 dia. with a gas check? hand lubed or sized?

  10. #10
    Boolit Master Texas by God's Avatar
    Join Date
    Mar 2016
    Location
    Texas
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    4,813
    I have a handful of old R-P factory rounds I can disassemble and send the brass and bullets to you. PM me if you want them, neighbor.
    Thomas

  11. #11
    Boolit Mold
    Join Date
    Jul 2018
    Location
    Green country Oklahoma
    Posts
    18
    Thanks Texas is the brass 32-40 how many I am willing to pay I have plenty of bullets

    Deaconllb

  12. #12
    Here are some Reloading pages I have.
    I converted to pdf.

    Enjoy, AntiqueSledMan.
    Last edited by AntiqueSledMan; 07-09-2018 at 05:56 AM. Reason: better viewing

  13. #13
    Boolit Master
    Join Date
    May 2007
    Posts
    3,262
    Wonderful. Thanks.

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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