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Posted: 2/15/2013 1:08:08 PM EDT
I'm beginning assembly of my Lower. I have a PSA kit and was putting the Mag release in and noticed that it doesn't thread almost flush with the front of the button. It works fine, but I always see the threads almost flush. Best I could get was about 1/8" from the top and really have to bottom out the button and squeeze it by the bolt catch to get that. Is that ok?
Link Posted: 2/15/2013 1:28:00 PM EDT
[Last Edit: 2/15/2013 1:30:32 PM EDT by Desert_AIP]
You have to push the mag catch button into the lower with a dowel or punch (I use delrin) and screw on the mag catch another couple of turns.

The button itself (inside edge) needs to be partially inside the lower so it doesn't unscrew or catch on the edge.

http://www.ar15.com/content/guides/assembly/lower/#magazineCatch
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