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5/13/2007 6:08:27 PM EDT
Could someone give me the dimensions for the front lug on a 601 upper [counter bore diameter and depth] ?
I'm  making some non captive take-down pins and I want to check the fit.

Thanks
5/13/2007 8:17:30 PM EDT
[#1]
.325 dia x .073 on mine
5/14/2007 2:17:52 PM EDT
[#2]
Thank you.
AR Sponsor