AR15 Failt ot eject quarter trick

Gatehouse

Gatehouse

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This probably has been posted before but I've never seen it. I have this one AR that has driven me nuts for a year, with stovepipes and fail to eject Often the case would end up backwards, crushed in between the bolt and chamber. Or at the least an empty case would end up sitting on top of an empty mag when the BCG locks back. It's a 7.62x39, I have several of them that operate normally.

I tried different buffers, different buffer springs, replacing extractors and ejectors, lubrication...

So finally I figure it's time to get an adjustable gas block and try that out, but first I took one more look at the intraweb, and stumbled on this video.


[video]https://www.full30.com/watch/MDE5MjY3/ar-fail-to-eject-quarter-trick[/video]

I dug into my pockets and came up with 2 quarters. Installed them and tried it out. Problem fixed, just like that, for 50 cents. Shot 50 rounds of 2 different types of ammo and it all worked perfectly.

The video creator says this shouldn't be considered a permanent fix, but damn, it sure works! :dancingbanana: :dancingbanana:
 
Just an update, gone through over 500 rounds since I installed the 50 cent solution, and everything is functioning great. Had 2 instances of the bolt locking back on a half full magazine but that could be a magazine problem and easily solved by pushing the bolt release.
 
used this years ago on my colt RO634 9mm smg I was breaking bolt stops and they are expensive and hard to find at the time (long tail for 9mm) I put in 4 quarters which limited the travel of the bolt so it wouldn't hit the bolt stop too hard and break them off it worked fine and still does
 
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