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Old 02-07-2017, 12:24 PM   #21
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Chewy123,

I generally find that problems like the ones that you describe are caused by battered/bent/poor quality magazines.

IF I was you, I would be seeking at least 2-3 more NEW quality magazines.

yours, sw
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Old 02-07-2017, 02:05 PM   #22
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if I was you i'd be wishing for a SEA KING
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Old 02-07-2017, 02:52 PM   #23
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Who made your rifle? There are several makers of AR-pattern rifles firing .308. From what I can tell, they are NOT the same...
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Old 02-08-2017, 02:36 PM   #24
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It is a LR style from a manufacturer in Florida, and I tried a second magazine today, it would function if I held up on the magazine, which tells me that it could be the magazines, I find it funny that 2 different pretty new pmags could go bad so fast but stranger things have happened
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Old 02-08-2017, 02:37 PM   #25
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Quote:
Originally Posted by t-star View Post
if I was you i'd be wishing for a SEA KING
what do mean SEA KING?
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Old 02-08-2017, 02:39 PM   #26
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Quote:
Originally Posted by Skeptic49 View Post
Is the extractor spring present? Is the extractor moving?
Geoff
Who is unfamiliar with the AR-10 extractor.
oh yes the extractor spring is working and so is the ejector spring
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Old 02-08-2017, 02:40 PM   #27
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This is a image of what's it's been doing
Attached Images
File Type: jpg IMG_20170208_152719_1486597193596.jpg (3.50 MB, 6 views)
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Old 02-08-2017, 03:27 PM   #28
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Is yours a short barrel gun? If so one issue that's common is extractor bounce which causes the extractor to slip over the rim when fired, so when the bolt starts its travel back, the extractor is not over the rim. If it happens on a rifle with a very clean chamber here's what you get...Bolt travels back, when chamber pressure drops to where the case has less of a grip on the chamber, then chamber pressure pushes the case out. Meanwhile the bolt starts it's return trip, and strips the next round out of the magazine. The military fixed this by installing an o-ring under the extractor around the extractor spring. Later models had heavier springs.

So here's how to check if this is happening to you. Fire single shot, with no magazine in the rifle. Load one, strip the round into the chamber, remove the magazine, then fire. If you get a case that falls through the magazine well, or a round that gets stuck in the action but the rim is forward of the extractor, then that's your problem.
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Old 02-08-2017, 06:07 PM   #29
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No it is not short barreled, and loading a single shell will function 99% of the time, I have been in contact with the manufacturer and I am gonna send the upper in, but I agree it could be the extractor spring, what confuses me the most is it functioned almost flawless for 400rds, I had done mild cleaning but when I do a deep clean it decides it doesn't wanna function
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Old 02-09-2017, 03:32 AM   #30
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Quote:
Originally Posted by GunGeek View Post
Is yours a short barrel gun? If so one issue that's common is extractor bounce which causes the extractor to slip over the rim when fired, so when the bolt starts its travel back, the extractor is not over the rim. If it happens on a rifle with a very clean chamber here's what you get...Bolt travels back, when chamber pressure drops to where the case has less of a grip on the chamber, then chamber pressure pushes the case out. Meanwhile the bolt starts it's return trip, and strips the next round out of the magazine.
Thanks Kevin...learned something new today.

The level of knowledge on this forum is astounding sometimes.
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