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AR15.COM
3/17/2012 7:41:02 PM EDT
I have a 1" Rock River Arms Hi-Rise Scope Mount.  I am trying to remove the screws on the mount so that I can insert the scope.  I was able to use a Torx T20 to remove 2 of the screws, but the other screws wont match up to the torx.  I think they are Hex screws.  Does anyone know the size of the screws?  5/32" and 1/8" and 3/16" don't fit correctly.  Here is a picture of what the screws look like.

3/19/2012 5:43:29 AM EDT
[#1]
IIRC, 9/64th.
Steve/RRA
3/19/2012 6:46:03 AM EDT
[#2]
Thanks!  I will let you know if it works.
3/19/2012 4:58:01 PM EDT
[#3]
Thanks.  The 3/64th worked.