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9/22/2017 12:11:25 AM
Posted: 1/14/2012 8:48:09 PM EDT
I have gotten sick and tired of dealing with stubborn split pins and apparently undersized holes! I think that I'm going to get a wire gauge drill index and ream out the damn holes.

What are the nominal sizes for all the holes in an AR lower that take roll pins? What are the actual maximum and minimum dimensions?

Thanks in advance!
Link Posted: 1/15/2012 4:38:04 AM EDT
Link Posted: 1/15/2012 7:48:16 AM EDT
Bolt catch You'll need to thread the lower for it though.

Trigger guard
Link Posted: 1/15/2012 2:23:45 PM EDT
Thanks for the information, gentlemen!
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