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Cleaning cases are they really clean, do they need to be?

Discussion in 'Ammo & Reloading' started by swampratt, Mar 7, 2018.

  1. swampratt

    swampratt Sharpshooter

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    Ok so I thought I would pull my vibratory cleaner out of the retirement corner and I got new walnut media and started cleaning cases and loading them.

    I was doing some ladder testing in .308 and was basically "match" prepping my cases.
    The cases spent 12 hours in the walnut media.
    Blown off and brushed out annealed and then brushed again and lubed and full length sized.
    Then the shocker I must clean the lube from inside the case necks.
    The shocker part is the QTips were filthy after cleaning the case neck ID.

    They got brushed again and then trimmed and then chamfered and deburred and brushed again and then another pass with Q-Tips.
    Still slightly dirty.

    I am going back to pin tumbling.
    I pulled my expander from the sizer die and it is filthy from the dozen cases I sized.

    Bullet seating forces were very even ..that is a plus.
    Some say that carboned neck inside is actually beneficial and acts as a lube.
    And may keep the bullets from "welding" themselves to the case.

    I have not tested that.

    I just do not like dirty necks I suppose..
    They probably do not need to be that clean anyway.
     
  2. MacFromOK

    MacFromOK Sharpshooter

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    Neither did my Mom... I can almost hear her saying, "Wash your neck and ears!" :D
     
  3. tyromeo55

    tyromeo55 Sharpshooter

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    reloading dirty or clean brass they all seem to shoot the same. I think clean brass is easier on the dies and gun chamber but that is about it.

    I know that I completely wore out a 300BO die resizing pickup brass that was not cleaned
     
  4. swampratt

    swampratt Sharpshooter

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    I can see the wear created on my expanding stem..I actually polish it to a chrome luster and sizing cases is super easy.
    But after those walnut cleaned and brushed cases have a go at it the stem developes scratches.

    10 years ago that is the way i sized cases..and just thought the stem will wear out ..But my dies got scratched up also leaving scratches on my case.
    So wearing out the 300BO die i can definitely see it happening.

    300BO has not been around that long either.
     
  5. OKCHunter

    OKCHunter Sharpshooter

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    Pin tumbling is my method of choice. I just don't see how clean, inside and out, including primer pockets, is not better. Also, I like it when my brass looks like jewelry.
     
    LinearZero and swampratt like this.
  6. swampratt

    swampratt Sharpshooter

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    I read one article a few years ago that forced me to built a pin tumbler.

    In the article a bench rest shooter was talking about throat or lead erosion on his bench rest guns and knew how many rounds he could shoot before he had to change the seating depth of his bullet to get the accuracy back up a bit.
    The lead area would erode from the carbon that was left in the case was his theory.
    SO he set out to prove that theory.
    A barrel was again made by the same manufacturer as he was always getting and he only shot perfectly cleaned brass from it and
    went on to say that it had much less erosion at the same round count and something like you could possibly shoot it 2X more before changing the OAL of the load vs the brush and wipe down case.

    He said that carbon left in a case gets very hard and it goes down the barrel with the powder and creates the erosion.

    You guys ever think of that or read about that. Made me want a pin tumbler or sonic cleaner. I can't remember which he used.

    But i scored a treadmill for free and built a pin tumbler.
     
  7. dennishoddy

    dennishoddy Sharpshooter

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    I tumble. Corn cob media. I spray rifle brass with Hornady one shot including inside the case mouth while they are standing in a loading block. I run a bronze brush thats on my case cleaning center in the necks before doing that. I've never noticed any bad results.
     
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  8. D. Hargrove

    D. Hargrove Sharpshooter

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    +1, except I use RCBS spray lube. No issues at all on 300WM.
     
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  9. Cowcatcher

    Cowcatcher Sharpshooter

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    ^^ same as them fellas minus the brush and +1 on the one shot and I run some brass polish in my media. So...maybe almost like those guys.
     
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  10. RustedBeef

    RustedBeef Sharpshooter

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    I rise my cases in soap water, then set them out to dry. All I'm looking for is to get the dirt off them, but I'm only reloading straight-walled pistol rounds. They don't look pretty... maybe I'll get a tumbler sometime.
     

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