Help, Weird Malfunction.
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Old 10-27-2013, 07:58 PM   #1
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Default Help, Weird Malfunction.

I was shooting my newly traded-for CAI galil that was sent through Jeff miller (highly praised builder over at the Uzi forums) at hillbilly firearns for a complete rework.

Had a few double feeds,one of which was operator error ( little sister had to try to rack the charging handle two or three times to get it) the other was when I was shooting it. These don't bother me much,Jeff said his warranty goes with the gun and specifically said to call after I shoot it with a report.

Anywho,I had some downright strange failure to go into battery malfunctions. I would try to shoot it to find that it was stuck at half battery,and I had to use lean the charging handle on a table and charge the whole gun to get it to cycle the action only to find what seemed to be an elongated 5.56 cartridge with a inset bullet,but what really happened was that the previous casing had split clean in half when shot and the bolt had extracted the bottom half and then fed a new live round into the top (case neck)half of the previous casing that was left in the chamber,needless to say this is what caused it to fail to return to battery.

Pictures are fuzzy bc it's on an iPhone and I'm riding in a car right now but here's a visual if it helps anybody.

image-1041049709.jpg



image-3443842162.jpg



image-812540875.jpg



image-454762099.jpg

I've never seen malfunctions like this,and just wondered if anybody knew what is going on.

Will be emailing Jeff about it later to see what he has to say about it,but a part of me thinks it could be crappy brass?.

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Old 10-27-2013, 08:15 PM   #2
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Is it a 5.56 galil?

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Old 10-27-2013, 08:16 PM   #3
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Indeed it is

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Old 10-27-2013, 08:24 PM   #4
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Old 10-27-2013, 08:29 PM   #5
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Is it hand loaded ammo or factory?
Did any rounds function properly? Go bang!

Best guess's
Maybe a fitment issue with chamber... a bit of galling left behind or worse????
Maybe a sizing issue with the ammo. If hand load then the shoulder might need to come back a hair more (RCBS X die)

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Old 10-27-2013, 08:35 PM   #6
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Factory Remington UMC ammo. And yes most of the ammo went off fine,but out of one magazine I had at least 4 or 5 malfunctions. 2 were where the case head separated.

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Old 10-27-2013, 08:49 PM   #7
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No signs of stress on the fired brass?


Yeah your on the right track to have the custom smith look over the rifle and that magazine. Depending on his report.. I'd contact Rem about the lot # etc of that box of ammo, let them know you have your rifle professionally inspected . Never know what you may find out. Save your pics, malfunctions, spent brass, ammo left, original box, and sales receipt etc....

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Old 10-28-2013, 03:41 PM   #8
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I had the same issue with Remington UMC ammo in my AR. I know it is a different gun but the cartridge looked exactly the same. Buy some different ammo and see what happens.

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Old 10-28-2013, 04:10 PM   #9
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Looks like its hanging on the magazine and getting crunched.

Very hard to tell without clear pics of the round in the gun in a jammed condition.

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Old 10-28-2013, 05:21 PM   #10
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When it was jammed it looked just like a regular round that just failed to go into battery all the way,there was about a half inch visible. I believe it got crunched when I had to forcibly cycle the action on a picnic table bc it was jammed into the other case head so tight I could not cycle it by hand.

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