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Old December 14, 2011, 07:52 PM   #1
spacecoast
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9mm brass - x-small flash holes

Ran into something tonight I haven't seen before in processing 3,300+ rounds of 9mm Luger. Three of the pieces of brass in a batch of about 300 that I was depriming appeared to have extra-small flash holes that the depriming pin would not fit through. I (unknowingly) forced it through the one on the far left, and when I tried to withdraw it, the pin came out of the larger pin that holds it in the Lee die. It was a real pain to get the pin out of the brass (which was necessarily stuck on the shell holder), but the die went back together OK. I was cautious after that and stopped on the other two before I had a problem. The piece of brass on the far right has a normal-sized hole for comparison.



This picture shows the headstamps. The two I didn't force both say "DAG 9mm Luger" and even the strikes on the primer look odd to me, way too high out of the brass. The one that got stuck is marked MAL 5-85 9mm. Has anyone run into brass like this?

Edit - found a thread about DAG... http://www.thehighroad.org/showthread.php?t=625350

And another for MAL - http://www.milsurps.com/showthread.php?t=27676



Last edited by spacecoast; December 14, 2011 at 08:00 PM.
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Old December 17, 2011, 11:43 AM   #2
brokenarrow41
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9mm brass - x-small flash holes

The cases marked DAG are from Dynamit Nobel A-G Troisdorf, Germany the others marked Mal are from Syarikat Malaysia Explosives Ltd. Batu-Arang, Malaysia.
The rounds pictured look like they were over pressured and would be safer in the scrap bin. If you find the small flash hole is from a particular manufacturer and you really need the brass punch them by hand and ream the hole to size.
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Old December 17, 2011, 11:48 AM   #3
armoredman
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Scrap bin for certain, glad nothing was damaged, and you gave me something to look for when I get used brass.
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Old December 17, 2011, 01:04 PM   #4
serf 'rett
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A few week ago I had a half dozen SIG 357 cases, range pickup, with small flash holes.

I'd scrap the cases in your photo - the primers could be showing overpressure signs.
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Old December 17, 2011, 11:39 PM   #5
chris in va
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I hate those DAG cases. Every now and then one worms it's way into my pile and I'm having to extract the darn thing from my decapping pin.
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Old December 18, 2011, 01:53 PM   #6
FrankenMauser
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As the thread on THR discussed, GECO cases seem to come off the same equipment.

Personally, I keep it (9x19mm). My RCBS dies don't have a problem with enlarging these flash holes. But, I always inspect the cases, before they go into my press, anyway. A quick glance at the tiny flash hole just reminds me to go a little slower on those. If enlarging the flash hole leaves a burr or lip, I use my flash hole uniformer to clean it up .... or I just toss the case in my recycling jug, since 9x19mm is more common than dirt.


I don't think those DAG cases were over-pressured. I think they were fired in a Hi-Point. At the very least, you know they're only once-fired.
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