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Thread: Substitute sizing/depriming die for 45ACP?

  1. #1
    Boolit Master





    bruce drake's Avatar
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    Substitute sizing/depriming die for 45ACP?

    So I made the mistake of reloading a bunch of range brass a few months back without tumbling them all first. Wouldn't you know it, I picked up some rocks or something that scored my Redding 45ACP Carbide resizing die as now it looks like the brass has been fired in a HK rifle with vertical scoring along the brass when I use the die to resize my fired brass.

    Now being the frugal Yankee, I had an old Herters .308 Winchester resizing die sitting on a shelf (just that one die no less) for the last decade that I had picked up at one time or an another. So knowing that 45ACP cases can be made out of old .473" diameter cartridges, I oiled up a bunch of fired 45ACP brass and ran them through the 308 Win sizing die. Yep, no scoring. Thankfully, I'm a single stage reloader so no worries about high-volume pistol reloading being compromised by going back to a steel die and lubing the cases before hand.

    Frugal...too a point, I will be looking for a new Redding sizing die body on their website shortly but I did amaze myself at my thinking outside of the box for resizing the fired cases until the replacement die body comes in the mail.
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  2. #2
    Boolit Master tazman's Avatar
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    How in the world do you manage to score/scratch a carbide die?
    I thought they were too hard for that to happen.

  3. #3
    Boolit Master lefty o's Avatar
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    never hurts to try to polish it out.

  4. #4
    Boolit Master





    bruce drake's Avatar
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    Quote Originally Posted by tazman View Post
    How in the world do you manage to score/scratch a carbide die?
    I thought they were too hard for that to happen.
    I obviously did because after I deprimed like a 1000 cases, it was tossing scratches all over the brass!

    I've dissasembled and cleaned it twice. Our gun club must be sited over a diamond mine or something as that carbide is definitely scratching the brass quite well. The scratches go from the case mouth all the way to the cut for the extractor groove so it tells me the grit is embedded in the carbide ring in the first part of the case.

    New sizing die body is already on its way from Redding.
    I Cast my Boolits, Therefore I am Happy.
    Bona Fide member of the Jeff Brown Hunt Club

  5. #5
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    BPCR Bill's Avatar
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    I believe the 'Carbide" dies only have a carbide sizing ring inside the tool steel body. It's possible to have a scratch inside the die body itself, and not the carbide sizing ring.
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  6. #6
    Boolit Mold
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    I reconditioned several 357 carbide dies that I did the same thing to. I took a bore mop and mixed a paste of jewelers rouge and solvent and applied it, liberally to the mop. Chucked it in my drill press and polished away. Took a little work but I salvaged the dies. Have also used the same process on regular carbon steel rifle dies. Carbide can be damaged by abrasives and dirt and crud contain all that is needed to mess up almost anything. I sized cases for years and never damaged a die and then all of a sudden over a couple of years I wrecked 3. All my cases go through to clean and wash, tumble cycle now.

  7. #7
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    mdi's Avatar
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    It's possible for a bit of grit to become embedded in the carbide ring. Perhaps you can see it and pick it out? Anyway your solution is pretty good...
    My Anchor is holding fast!

  8. #8
    Boolit Master tazman's Avatar
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    Quote Originally Posted by bruce drake View Post
    I obviously did because after I deprimed like a 1000 cases, it was tossing scratches all over the brass!

    I've dissasembled and cleaned it twice. Our gun club must be sited over a diamond mine or something as that carbide is definitely scratching the brass quite well. The scratches go from the case mouth all the way to the cut for the extractor groove so it tells me the grit is embedded in the carbide ring in the first part of the case.

    New sizing die body is already on its way from Redding.
    Not doubting your description. Just surprised it could happen. I will need to make sure I don't do that myself.
    I have done a little inquiry and found that polishing the die out almost always fixes the problem since the polishing compound is softer than the carbide but will still remove the embedded particle that is causing the scratch.
    Good luck with getting your die working again.

  9. #9
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    runfiverun's Avatar
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    as soon as I read the header I was going to recommend a 308 die.
    I used a 308 die with an M die to load my 450 mag rounds for quite some time until I realized I had a spare 45 colt die sitting there.
    it's all an educated guess,,,, till the trigger is pulled.

    this opinion brought to you by mister low-tech solution..

  10. #10
    Boolit Bub


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    I always decap, then clean picked up brass in hot water with a bit of Dawn, shake good, rinse , and dry on an old towel.
    Clean brass ready for size die. I tumble for a polish after sizing (and expanding if needed) Dies are precision tooling and
    deserve proper care.
    http://www.nra.org/
    MSGT, USAF, Retired

  11. #11
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    It's much more likely that brass has stuck to the carbide sizing ring (galling) and the brass is causing the scratches. The die can be saved by polishing with Flitz or J-B Bore Paste on a snug fitting bore mop wrapped in a piece of cloth. Here's a link on how to do it: http://varmintal.com/arelo.htm#Polish

    Hope this helps.

    Fred
    After a shooting spree, they always want to take the guns away from the people who didn't do it. - William S. Burroughs.

  12. #12
    Boolit Master


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    I had a 45LC FL sizing die that was making a scratch on my cases. I disassembled it and cleaned it really well and no more scratching. I don't think your going to imbed something into the carbide ring.

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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"
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