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9/19/2017 7:27:10 PM
Posted: 11/13/2003 7:54:50 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: 11/15/2003 4:22:36 AM EDT
I believe it .250 +/- .001 but remember if you anodize it will add up to .001 on all surfaces...So you will need a .252 hole. Rick
Link Posted: 11/15/2003 4:29:58 AM EDT
You can download the upper blueprints from this post on [url=http://www.roderuscustom.tzo.com/cgi-bin/ib3/ikonboard.cgi?s=3fb622170418ffff;act=ST;f=14;t=156;hl=ar15+upper]Roderus Custom[/url]
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