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AR15.COM
6/23/2009 2:33:45 AM EDT
How is the post held in?  The standard FSB holds the post with a notch, is the MBUS post just screwed in?
6/23/2009 2:56:42 AM EDT
[#1]
Are you thinking about replacing the post?  That's what I'd like to do sometime.
6/23/2009 3:18:34 AM EDT
[#2]
Quoted:
How is the post held in?  The standard FSB holds the post with a notch, is the MBUS post just screwed in?


Screwed in, and removable.  Magpul provides two different length roll pins to secure the post once you have it adjusted where you want it.