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10/20/2017 1:01:18 AM
9/22/2017 12:11:25 AM
Posted: 8/22/2005 6:29:21 PM EDT
So I'm trying to install a NM rear sight on my RRA A2 when I notice this hole



Is this normal? Is something missing here? What stops the spring?

Also, when do I knock the pin through this hole?



Please tell me I didn't ruin this upper.
Link Posted: 8/22/2005 6:52:34 PM EDT
[Last Edit: 8/22/2005 6:53:52 PM EDT by j3_]
The little hole is supposed to be there.

Read the manual to see how put a sight in. Starts around manual page 3-54
www.ar15.com/content/manuals/TM9-1005-319-23.pdf
Link Posted: 8/22/2005 7:39:27 PM EDT
Thanks j3, that's what I've been looking for.
Link Posted: 8/22/2005 10:19:13 PM EDT
Link Posted: 8/23/2005 1:51:13 PM EDT
Thanks Tweak. I own a 6920 with a A3 upper, so I'd never seen the hole before. When I looked into the upper and saw the spring pokin' down in there I nearly sh%^ a brick. Got it figured out now though. Thanks again.
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