Zmego Posted September 15, 2012 Share Posted September 15, 2012 I just finished my first AR build and I was able to do so largely in part to the info I found or got on this forum so thank you to all who helped along the way. This was a budget build so I got a stripped PSA upper and lower, but they are not near as tight as I would like them. Any tricks or ideas on how to tighten them up? It seems like most of the play is from the rear take down pin. Will having them loose effect accuracy? Link to comment Share on other sites More sharing options...
Outsydlooknin75 Posted September 15, 2012 Share Posted September 15, 2012 Jb weld and some shoe polish. Use the shoe polish as a release agent on one side, either the upper or lower..... Then put some Jb on the opposite and close em up.......instant bedding. Sent from my PG06100 using Tapatalk 2 Link to comment Share on other sites More sharing options...
hkguy Posted September 15, 2012 Share Posted September 15, 2012 i got an accu-wedge from midway for about $4. It took about 5 minutes of slowly trimming it down to install and now my upper is super tight. Link to comment Share on other sites More sharing options...
JeremyM Posted September 15, 2012 Share Posted September 15, 2012 +1 for the accuwedge Link to comment Share on other sites More sharing options...
Chef J Posted September 15, 2012 Share Posted September 15, 2012 +2 on the accuwedge. Link to comment Share on other sites More sharing options...
Biloxi23 Posted September 16, 2012 Share Posted September 16, 2012 Or you can leave it loose. One of the most accurate AR's I ever had was loose as hell, It rattled like crazy, and shot that way too. Link to comment Share on other sites More sharing options...
Shokr21 Posted September 16, 2012 Share Posted September 16, 2012 upper to lower rattle has little to nothing to do with the accuracy of the gun in question. Is it a OCD thing that you don't want the rattle? Link to comment Share on other sites More sharing options...
Zmego Posted September 17, 2012 Author Share Posted September 17, 2012 upper to lower rattle has little to nothing to do with the accuracy of the gun in question. Is it a OCD thing that you don't want the rattle? Yes, very much so. It will drive me crazy. Link to comment Share on other sites More sharing options...
warpspeed Posted September 17, 2012 Share Posted September 17, 2012 (edited) Then the accuwedge is what you want. JP also makes a rear pin that will do the same thing but it requires a tool to take the rifle apart and that may or may not be your thing. http://www.jprifles.com/buy.php?item=JPTP-1 I think I might have one of each in the parts box. Want to try it out first ? Edited September 17, 2012 by warpspeed Link to comment Share on other sites More sharing options...
392heminut Posted September 17, 2012 Share Posted September 17, 2012 Ditto on the Accu-Wedge! Link to comment Share on other sites More sharing options...
Zmego Posted September 17, 2012 Author Share Posted September 17, 2012 Then the accuwedge is what you want. JP also makes a rear pin that will do the same thing but it requires a tool to take the rifle apart and that may or may not be your thing. http://www.jprifles.com/buy.php?item=JPTP-1 I think I might have one of each in the parts box. Want to try it out first ? I went ahead and ordered me an accu wedge. Thank you for the offer though. It seems like this should cure my OCD....for now. Link to comment Share on other sites More sharing options...
bpipe95 Posted September 17, 2012 Share Posted September 17, 2012 The accu wedge makes the problem worse. As it just pushes the receivers apart harder, overtime it wears more and more. You want to bring them together not force them apart. Aarmalite has oversize take down pins, they will help tighten it up a bit and removed side wobble. Link to comment Share on other sites More sharing options...
392heminut Posted September 17, 2012 Share Posted September 17, 2012 The accu wedge makes the problem worse. As it just pushes the receivers apart harder, overtime it wears more and more. You want to bring them together not force them apart. Aarmalite has oversize take down pins, they will help tighten it up a bit and removed side wobble. I've had the same Accu-Wedge in my DPMS for over 15 years with no adverse effects whatsoever. Link to comment Share on other sites More sharing options...
Pat Miles Posted September 17, 2012 Share Posted September 17, 2012 The accu wedge makes the problem worse. As it just pushes the receivers apart harder, overtime it wears more and more. Say what! Pat Link to comment Share on other sites More sharing options...
Griz Posted September 19, 2012 Share Posted September 19, 2012 Nothing moves, so how could it wear? Link to comment Share on other sites More sharing options...
usmc0326 Posted September 21, 2012 Share Posted September 21, 2012 The accuwedge makes it worse over time. I used a accuwedge to get tension on the recievers and used Marine Tex to bed them together. Use clear kiwi shoe polish for a release agent and it comes out nice! Then ditch accuwedge. Link to comment Share on other sites More sharing options...
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