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Thread: How I expand the diameter of a cast bullet

  1. #1
    Boolit Master

    Join Date
    Mar 2009
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    Fredericksburg, virginia
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    How I expand the diameter of a cast bullet

    I just uploaded a new video about how to expand the diameter of a cast bullet. This can be really handy for testing out an antique gun before ordering a custom mold. In the video I expand a .452" diameter 255gr bullet to .459". The process is the same for any bullet. All you really need is a sizing die that is the size you want the bullet expanded to.

    https://youtu.be/ziBZeUS1DCI

  2. #2
    Boolit Master
    Join Date
    Sep 2016
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    2,047
    Great video. Don't have an arbor press but do have a large vise. Thanks for posting. Frank

  3. #3
    Boolit Master
    slim1836's Avatar
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    Mar 2010
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    Thanks for sharing.

    Slim
    RETIRED
    NOT MY PROBLEM ANYMORE

  4. #4
    Boolit Master trapper9260's Avatar
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    Thanks for the video . Nice to learn something new .
    Life Member of NRA,NTA,DAV ,ITA. Also member of FTA,CBA

  5. #5
    Boolit Master rondog's Avatar
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    Genius!

  6. #6
    Boolit Master

    Combat Diver's Avatar
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    Thanks Steve

    CD
    De Oppresso Liber

    Irag: 91,03,04,05,06,08,09',15' & 16'
    Afghanistan: 09,10,11',14',17'-21'

  7. #7
    Boolit Master


    Join Date
    Mar 2005
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    Perryville, Ky,USA
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    Good video. As he pointed out, this has to be in the sizing die area below the lube holes in the die. If done in the area with the lube holes, the lead flows into the lube holes and they're the very dickens to get out.
    This method also works with modifications as a nose first sizing method with lube applied in a second step./beagle
    diplomacy is being able to say, "nice doggie" until you find a big rock.....

  8. #8
    Boolit Master
    Mal Paso's Avatar
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    Well that's 12 years too late! Back then I was lurking here trying to figure how to make my Lyman 429421 size UP to .430" in my Lyman Sizer. Since then I've spent a bazillion on Custom Molds. Gee Thanks! LOL
    Mal

    Mal Paso means Bad Pass, just so you know.

  9. #9
    Boolit Master

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    Thanks guys, glad you found it useful.
    Steve

  10. #10
    Boolit Master


    kungfustyle's Avatar
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    Great idea, thanks.

  11. #11
    Boolit Master MOA's Avatar
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    Concho, Arizona. At home in the White Mountains at last.
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    Great video. Very helpful.

  12. #12
    Boolit Master bedbugbilly's Avatar
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    Great video Steve - one of those things to file away in your head as it's a great ideaT Thanks so much for sharing.

    Jim

  13. #13
    Boolit Master


    Soundguy's Avatar
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    Nice vid. Good idea.

  14. #14
    Boolit Bub wilecoyote's Avatar
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    Jun 2021
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    really appreciated here !
    ...next thing you know they'll want your pistol and your tobacco...

  15. #15
    Boolit Bub

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    Excellent post and video!

  16. #16
    Boolit Man

    Electrod47's Avatar
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    Apr 2016
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    Mississippi
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    I been wanting to bump up some .45 Long Colt 250 gr LSWC for the 45/70 singleshot. I'm on it. Have all the things required on hand.
    Thank you

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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