 sdailey5
Always shoppin'
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Joined: Nov 2010  AR, USA
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Posted: 6/14/2012 12:39:29 PM
THE IMAGE ABOVE IS A PAID ADVERTISEMENT I'm starting on my second build and I've got more movement between the two halves than I think I should. The only real concern I have is that if it moves too much, is there a chance that the BCG would get hung up or strike the lower when fired. Do you think I have an issue that needs fixing or just left as is? |
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mamasboy
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Joined: Oct 2006 FL, USA
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Posted: 6/14/2012 1:05:07 PM
Alum. welder.
 accuwedge  |
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sdailey5
Always shoppin'
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Posted: 6/14/2012 1:52:12 PM
Originally Posted By mamasboy:
Alum. welder. accuwedge Haha, no need for the welder, I could just ball up some Reynold's Wrap and cram it in there. |
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wildearp
Get off my lawn!
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Joined: Jun 2003 AZ, USA
 
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Posted: 6/14/2012 2:37:58 PM
Originally Posted By sdailey5: Will that little red accuwedge thing help reduce side to side wobble between an upper and a lower? I'm starting on my second build and I've got more movement between the two halves than I think I should. The only real concern I have is that if it moves too much, is there a chance that the BCG would get hung up or strike the lower when fired. Do you think I have an issue that needs fixing or just left as is? If it is out of spec, the accuwedge is not a good band aid. If you are worried about BCG impact, you are doing it wrong. |
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sdailey5
Always shoppin'
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Joined: Nov 2010 AR, USA
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Posted: 6/14/2012 2:43:03 PM
[Last Edit: 6/14/2012 2:44:04 PM by sdailey5]
It probably moves about 1/16". Is that enough to worry about BCG impact? I understand that these rifles are held together with just 2 pins and that there will be some movement. I just don't know how much is too much.
ETA: I just looked at a ruler. Maybe just a tad less than 1/16". |
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Russ4777
San Jose, CA
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Joined: Nov 2000 CA, USA
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Posted: 6/16/2012 2:09:45 PM
Do this with a standard o-ring and the "wobble" is gone for $.15
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Posted: 6/16/2012 3:06:28 PM
Wow, Nice! ^^^^^
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Posted: 6/16/2012 3:09:38 PM
Originally Posted By Russ4777:
Do this with a standard o-ring and the "wobble" is gone for $.15 http://www.hunt101.com/data/500/medium/IMG_6260.jpg I like the way you think. At least this time. |
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Posted: 6/16/2012 3:47:21 PM
[Last Edit: 6/16/2012 3:49:41 PM by natas66]
+1 for o-rings, I own a acu-wedge and while it took a little play out of the gun it did not remove all. I saw that someone recommended o-rings and I forgot the size but I did this and problem solved. There is no longer any play between my upper & lower receiver, I ordered my o-rings from Spikes Tactical and they come in a 3 pack for $5 or so, I don't remember the price exactly. Also you can put AR wobble in a search and there is a great page that shows a guy trying different solutions until he just goes with the o-rings and it will give you the right size if you'd rather just go to the hardware store rather than order them. They do eventually need to be replaced with wear & tear but for the price and ease of installation you can't beat it, hope this helps.
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Gingerbreadman
Just making it up as I go.
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Joined: Jan 2008 MN, USA
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Posted: 6/16/2012 8:50:14 PM
I believe that a #28 o-ring is what I put on one of mine.
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Posted: 6/17/2012 1:46:51 PM
[Last Edit: 6/17/2012 1:50:00 PM by gee223]
Buy a bunch of them too. I can break open my rifles about 3 times before they crack. Oh well, they are so cheap I could care less. I don't have much wobble anyway, but I love how rock solid they lock with the o-ring.
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Posted: 6/17/2012 9:28:07 PM
I've tried a piece of a foam earplug. I just jammed it in there like the accuwedge. You can cut it down to adjust your desired tension.
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Posted: 6/17/2012 11:49:53 PM
i like the way you think x2
Originally Posted By sparky923:
Originally Posted By Russ4777:
Do this with a standard o-ring and the "wobble" is gone for $.15 http://www.hunt101.com/data/500/medium/IMG_6260.jpg I like the way you think. At least this time. |
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sdailey5
Always shoppin'
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Posted: 6/18/2012 9:35:31 AM
Looks like I'll be going to the hardware store tonight. Thanks for the tip.
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Russ4777
San Jose, CA
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Joined: Nov 2000 CA, USA
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Posted: 6/19/2012 12:13:55 AM
Originally Posted By gee223:
Buy a bunch of them too. I can break open my rifles about 3 times before they crack. Oh well, they are so cheap I could care less. I don't have much wobble anyway, but I love how rock solid they lock with the o-ring. If they split then you have chosen one that is too thick in cross-section. Get a thinner one and you will be good to go for many upper receiver removals or openings. |
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