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6/23/2008 4:06:26 PM EDT
Somehow the parts fell out and luckily I did find the expensive one; however, I am stumped as to what I am missing. The BUIS has a treaded hole and the Tritium FSB has none, so how does it go together?

Yes - I'm a dummy.

Thanks for any help you can offer

YHM Flip up sans FSP


Nice tritium FSP with no threads and no where to be of any use





6/23/2008 11:03:12 PM EDT
[#1]
At the very bottom of the piece that came out there is a tiny clip that holds it in place. It allows it to rotate 360 deg without changing elvation.
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