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What causes this?

Discussion in 'Reloading' started by squirreld, Oct 24, 2012.


  1. squirreld

    squirreld
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    #1 squirreld, Oct 24, 2012
    Last edited: Oct 24, 2012
  2. WiskyT

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    I don't know, but Winchester would be the last possible cause I would blame. It looks like they were fired out of a home made gun.
     

  3. bob98247

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    Full length crimping?
     
  4. squirreld

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    I was thinking either a super tight bbl or a custom super tight resizer?
     
  5. PhantomF4E

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    Was this range brass of do you know what kind of gun these were shot out of ?
     
  6. Taterhead

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    It looks like it might be from a re-sizer die that wan't properly contoured and left an abrupt transition on the leading edge of the sizer ring. That is approximately how far down a sizing die will go on the brass, give or take.
     
  7. WiskyT

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    Except that the case mouth is still dented. Dents like that come right out with re-sizing. Also, notice how the one case is split, and the split is in the area that is bulged out.

    I don't think this is a re-sizing issue.
     
  8. Taterhead

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    Gotcha. I can't quite make that out in my low-res viewer at the moment.
     
  9. CanMan

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    Case head separation with body of case left/stuck in resizing die.
     
    #9 CanMan, Oct 25, 2012
    Last edited: Oct 25, 2012
  10. countrygun

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    I have got a really wild ***ed theory to put forth.

    Suppose someone got one of the Ruger Blackhawk 38/40-10mm convertibles, somehow fired .40 S&W in the 38/40 cylinder and then resized the brass?
     
  11. njl

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    Looks like .40S&W Belted Magnum to me.

    :)
     
  12. squirreld

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    unknown weapon.
    case mouth is dented due to handling.
    No idea if universal decapper or resizer was used on it.
    No splits in the case anywhere.

    I see no bulge anywhere. So I am going to assume it was run through a resizer.

    And just for the record, I am not going to reload them.
     
    #12 squirreld, Oct 25, 2012
    Last edited: Oct 25, 2012
  13. WiskyT

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    I couldn't figure out what chamber it would be, but I was thining the same thing, fired in the wrong caliber gun.
     
  14. WiskyT

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    The case mouth would not be dented if it was resized unless someone dented it after resizing. The base of those cases is the very defininition of "bulge". There sure looks to be a split at the base of the case on the left.
     
  15. sig357fan

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    I'm gonna go with CG on this one but my guess is that they were fired in a 41 AE and then ran through a 40 S&W sizing die.

    sig357fan
     
  16. jbrown13

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    I have seen 9mm brass that looked exactly like this. Lee made some undersized "U" dies a few years back and I was one of the unlucky people that got one. They couldn't trace them because of no serial number, but when I called they knew immediately what the problem was and immediately sent me a "U" die with the correct ID. I'm guessing someone got one, or another brand that was undersized, in 40 S&W and went ahead and reloaded and shot it. I threw my 9mm like that in the recycle bin.