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9/19/2017 7:27:10 PM
Posted: 11/13/2003 7:49:22 PM EDT

Does anybody know what the Min. and Max. diameter of the pivot pin hole in the upper receiver is?

I found the blueprint for the lower receiver on this website, but not for the upper receiver.

Link Posted: 11/14/2003 6:36:41 AM EDT
It makes sense to use the same tolerances for the pivot pin hole in both upper and lower receivers. After all they are to accept the same part.
Link Posted: 11/14/2003 6:40:05 AM EDT
[Last Edit: 11/14/2003 6:44:16 AM EDT by mr_wilson]
[img]http://www.biggerhammer.net/ar15/uppers/aruppercomparison.jpg[/img] from [url]www.biggerhammer.net[/url] Mike [b][size=3]Damn GRH2, how many places ya gonna post this???[/size=3][/b] [url]http://www.ar15.com/forums/topic.html?b=3&f=12&t=174378&w=searchPop[/url], and this isn't the only one......
Link Posted: 11/14/2003 8:22:48 AM EDT
mr_wilson - Ouch! Hey, after I got the answer to my first post I tried to delete the others. But for some reason the posts won't delete :(. Oh-well, I tried. For all those who posted the information I needed - thank you.
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