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9MM Catastrophic Case Failure

This is a discussion on 9MM Catastrophic Case Failure within the Ammo Dump forums, part of the Firearm Forum category; Interesting issue here with Freedoms 9mm. I have shot hundreds of remanufactured 9mm and new 9mm from them without any hicups. I will have to ...


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Old October 11th, 2016, 02:33 AM   #16
 
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Interesting issue here with Freedoms 9mm. I have shot hundreds of remanufactured 9mm and new 9mm from them without any hicups. I will have to pay very close attention.



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Old October 11th, 2016, 05:17 AM   #17
 
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ka boom

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Old October 11th, 2016, 05:24 AM   #18
 
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Not bashing Freedom Munitions.
There was a box of FM 9mm reloads included in an ammo bundle I bought from an individual. (I was after the 9mm HST that was the bulk of the bundle).
The FM rounds are the only rounds that have not functioned in my Beretta PX4.
After a few FTE I stopped shooting them. Took the box home and measured them. COL was all over the place (don't remember the numbers anymore).
Everything else I've run through the gun has worked. Steel, aluminum, brass. Expensive, cheap, my own reloads (my first reloads were through this gun). All have worked except those.
I stick with American Eagle first, then Blazer Brass, then my reloads from the aforementioned brands.

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Old October 11th, 2016, 06:25 AM   #19
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Thanks for all the heads-up on FM. I don't recall ever buying any of their ammo but based on this thread I think I'll steer clear. There's plenty of other bargain ammo available that doesn't have these kinds of problems.
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Old October 11th, 2016, 06:53 AM   #20
 
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Thanks for the info Iowegan.
I haven't had any issues with their Remans, but thanks to Eastman and Waveform, I have a new head stamp to watch for.
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Old October 11th, 2016, 09:59 AM   #21
 
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FYI my CX4 Storm operates on a simple blow back principle...I think. The bolt if you will is connected to a heavy part that acts like a l=slide on a pistol to control and slow the recoiling bolt face....I think. Looks like how it works. There is no delay action I don;t think.

I tend to reuse my 9MM brass more than I should and watch for case separation. Occasionally I see signs of it just above the webbing just slightly above where the sizing die finishes sizing the case. The cases usually split lengthwise before this happens with well used brass.

Iowegan doesn't the case look like classic head separation?

Take Care

Bob
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Old October 11th, 2016, 11:32 AM   #22
 
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Huh, weird, I have shot a boat load of 9mm from freedom, never a problem. Good to know but I will still use it
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Old October 11th, 2016, 11:32 AM   #23
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robertbank, It could be. In all my years of reloading, I don't think I have ever seen a 9mm case with head separation. I have seen it many time with rifle cases .... especially 223 Rem and a few times with 38 Specials ... but these cases separated closer to the base. I guess it would depend on where the weakest area of the case wall is .... which is usually at the point where the walls start to get thicker. If for some reason the sizer die was too tight or the expander die was too large, it could create a weak spot. It's also possible that brand of cases were NOT designed to be reloaded. How's that for a mystery??
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Old October 11th, 2016, 12:18 PM   #24
 
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Quote:
Originally Posted by Iowegan View Post
robertbank, It could be. In all my years of reloading, I don't think I have ever seen a 9mm case with head separation. I have seen it many time with rifle cases .... especially 223 Rem and a few times with 38 Specials ... but these cases separated closer to the base. I guess it would depend on where the weakest area of the case wall is .... which is usually at the point where the walls start to get thicker. If for some reason the sizer die was too tight or the expander die was too large, it could create a weak spot. It's also possible that brand of cases were NOT designed to be reloaded. How's that for a mystery??

Well you eliminated a few of the possibilities. \The cases I have dealt with all showed signs, and that is all they were, were lower on the case. Weird though. I wonder who actually makes the brass in question.

I have thousands of cases so I don;t know why I don't cull more. I could put them in the recycle and get $1.10/lb locally. Still to (cheap, frugal, dumb, tight - you pick one) not to keep using the brass until it develops case mouth splits.

Take Care

Bob
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Old October 11th, 2016, 01:09 PM   #25
 
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In my case Freedom said that they make their own (FM) .9mm brass. I can't say for positive about the OP's. And I can understand being weak from reloading, but also in my case it was brand new manufacture.
I don't reload yet myself, but I'm trying to soak up as much info as I can.
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Old October 11th, 2016, 01:16 PM   #26
 
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You might want to send the case to them. You might get a free box of ammo out of it. You just never know.

Take Care

Bob
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Old October 11th, 2016, 01:39 PM   #27
 
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GONRA has never seen / heard of a case BODY separation in commercial 9mm ammo!
(Some you have already mentioned this.)
FM copulated up in creating an INTERIOR STEP. (Some you have already mentioned this.)
WHY DID FM DO THIS? ????

Case separations will disappear if they revert to a "thicker case wall near base"
tapering to usual cartridge case mouth.

Last edited by GONRA; October 11th, 2016 at 01:44 PM.
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Old October 11th, 2016, 01:46 PM   #28
 
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Quote:
Originally Posted by GONRA View Post
GONRA has never seen / heard of a case BODY seperation in commercial 9mm ammo!
(Some you have already mentioned this.)
FM copulated up in creating an INTERIOR STEP. (Some you have already mentioned this.) WHY DID THEY DO THIS? ????
Case seperations will disapear if they revert to a "thicker case wall near base"
tapering to usual cartridge case mouth.
You are spot on. The 9MM has been around longer than the 45acp and someone decides to change the dimensions of the case/. Dumb...realy dumb. Its not like 9MM cases are made for a unique obsolete cartridge.

Take Care

Bob
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Old October 11th, 2016, 02:05 PM   #29
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Back to the case head separation concept. I know for rifle cartridges, case head separation is almost always related to excessive headspace or just worn out brass. As applied to a 9mm cartridge and how it headspaces on the case mouth, it would mean the case was way too short. Full length brass cases are nearly impossible to find .... seems most are .010" under SAAMI spec then when you add in normal headspace, which is typically .010", you can easily get .020" headspace ....more if the case was even shorter.

At first I thought this was a gun issue .... not an ammo issue but the more I think about, I do indeed think Waveform stumbled onto a bad cartridge. If nothing else, this is an eye opener on what 35k psi chamber pressure will do. The good news is .... no one got hurt, not even the carbine!
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Old October 11th, 2016, 03:46 PM   #30
 
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I had one Blazer Aluminum cased 10MM explode in my DW CBOB in 10MM.
Blew the mag out blew the grips to pieces,bent the trigger bar and if I had not been wearing gloves and eye protection I would be walking round one eyed and missing a few fingers on my right hand.
Needlessly to say I do not use Aluminum Cased rounds anymore.
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