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September 23, 2014, 03:33 PM | #51 |
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The "Remnant Brass" is still stuck under the extractor!….From what I see,
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September 23, 2014, 03:36 PM | #52 |
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Maybe a piece, but I don't see the primer --- also --- blown primers are known too have jammed AR trigger groups.
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September 23, 2014, 03:41 PM | #53 |
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Think'en, a piece of nasty corroded ammo got mixed in the bag, The round came to an abrupt stop before it went all the way home.
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September 23, 2014, 10:38 PM | #54 |
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So do you guys think there's any chance this is the kind of thing that would be covered under any kind of warranty, or is that idea out the window? I won't be to upset if it isn't, these things happen, I shouldn't have been using cheap ammo. But ill certainly stay away from that crap ammo in the future
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September 23, 2014, 11:56 PM | #55 |
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usually the buck is passed between ammo manufacturer and gun manufacturer but as long as it was factory loaded ammo, you aren't liable for the damages.
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September 24, 2014, 12:28 AM | #56 |
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They where factory reloads. I suppose I could contact the company that made the ammo but I bet they have some fine print somewhere about this kind of thing.
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September 24, 2014, 06:38 AM | #57 |
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I've seen a couple verified out of battery incidents, and in all but one the primer was long gone.
Without the bolt being fully locked and supporting the primer, the build in gas pressure simply blows it out of the primer pocket.
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September 24, 2014, 07:02 AM | #58 |
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Colt may have a forensic interest in looking at it.Failure analysis is important.Even if its an ammo problem,note,you did not get hurt.That is part of design.
If Colt says"Looks like handgun powder was loaded or? " then you have something to approach the ammo co with. Colt may say"Your lower checks out,we'll replace the upper for $xxx" It may not be too bad. You still have all ten digits and both eyes...and an education. |
September 24, 2014, 08:07 AM | #59 |
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Definitely above my pay grade for this weapon system, but I'm curious as to how the false "lug" on the back of the extractor sheared- what did it hit, and how- to cause it?
I've always wondered why the extractors have this "lug" on them- is it for weight balance of the boltface? I'm wondering if somehow the barrel extension played a role in this (?)
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September 25, 2014, 02:26 PM | #60 |
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Take the buttstock off and unscrew the buffer tube and go from there.
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September 27, 2014, 07:37 AM | #61 |
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If you have any intentions of sending it to Colt, don't do anything at all yourself.
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September 27, 2014, 04:42 PM | #62 | |
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Quote:
Let thee tinker with it no more!
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September 27, 2014, 06:31 PM | #63 |
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IMHO, you have 3 choices....
1) send to Colt ....then the ammo maker and ask them to judge the cause of the mishap. You may get a new rifle, ammo, hat or something just go doing this without a lawyer. 2) call a lawyer, tell him you were scared so bad you can't work or perform when your wife comes knock in', etc, but he pays all the upfront for cut of winnings... 3) or what I would do....fiddle fart around with it until I got it apart. To avoid destroying more than necessary, I would cut the $50 buffer tube with a saw. That will get it loose....then start determining what is reusable and what you need new! |
September 29, 2014, 06:21 PM | #64 |
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FWIW, I agree with Mike that it was an out-of-battery firing. The reason for that I can't really say without having the rifle at hand.
If the upper receiver is not bulged, it is possible that the rifle can be repaired without too much cost. Jim |
October 2, 2014, 06:54 AM | #65 |
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Send it into colt and send the ammo company an email with pictures. They may replace it, they may not. I'd imagine the ammo company will send you a case of ammo to make up for this. Either way, just count your blessings that you weren't hurt.
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October 3, 2014, 04:51 PM | #66 |
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I gotta ask again...
Any ideas how the back of the extractor got sheared off?
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October 8, 2014, 05:26 PM | #67 |
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Just a tip for anyone that ever has a stuck bolt issue on an AR pattern rifle. Here's the solution. Collapse your stock (if collapsible), grab the handguard over the top of the rifle (magwell pointing away from you) with your strong hand, place index finger and middle finger of weak hand over charging handle. Get on one knee. Taking care to keep the muzzle pointed down range (and not sweeping your own face) strike the buttstock very firmly onto the ground while pulling on the charging handle. Any obstruction will give way before the stock or receiver extension will. If it's not working, you're not doing it hard enough. This is called mortaring and you just learned something. Now, back to your regularly scheduled programming.
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October 8, 2014, 05:32 PM | #68 | |
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Quote:
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October 8, 2014, 06:36 PM | #69 |
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It's an out of battery failure. The base of the case was unsupported when the rifle was fired. There is a distinct ring on the case. That ring would be more evident if we had a photo of the case turned 90 degrees from the rupture.
i was present on firing ranges when two AR-15 rifles had out of battery failures. Both cases ruptured much like this one. |
October 8, 2014, 07:47 PM | #70 |
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It may have unsupported, but it I still doubt it was classic slam/out-of-battery -- this opinion due primarily to bolt-rotation/pin-protrusion design fail-safe limits in the AR.
Take a look here: http://soldiersystems.net/blog1/wp-c...fleFailure.pdf Look familiar? . |
October 8, 2014, 07:53 PM | #71 |
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Looks very familiar.
There are some who have posted that do not understand the operating system and material failures. As a result, they are making assumptions that are incorrect. Does not help the OP much, but such is the way of the internet. |
October 8, 2014, 10:02 PM | #72 |
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I wonder if a weak/delayed ignition could cause something like this,like the charge really kicked in and peaked about the time the bullet reached the gas port.
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October 9, 2014, 07:45 AM | #73 | |
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Quote:
I still don't understand why there is this "extension" on the extractor in the first place, unless it's for balance as I mentioned above. I recall reading that one manufacturer (I think it may be Colt) designs their bolts so that the "true lug" opposite the extractor does not bear when in battery for "balance" reasons. IOW, instead of the typical seven lugs bearing theirs is designed for six.
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October 9, 2014, 08:18 AM | #74 |
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I give it as my fixed opinion (to quote Winfield Scott):
1. Still waaaaaay overpressure when the bullet passed the gas port. 2. Drove the bolt carrier to start forcing things open waaaaay early 3. Blew the case head out once web section reached minimum critical exposed thickness. That is all.... Last edited by mehavey; October 9, 2014 at 08:25 AM. |
October 9, 2014, 09:36 AM | #75 |
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^and the most probable explanation.
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