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3/16/2011 6:13:42 AM EDT
I have a rock river m4 rifle.  I bought a yankee hill gas block with a flip up sight.  The rear sight from yankee hill is too expensive so I was thinking about getting the magpul rear flip sight.  My question is,  with two different brand sights,  will the be the correct heighth to line upproperly.
jeb
3/16/2011 6:23:38 AM EDT
[#1]
They should both match up as most rear BUS sights are meant to be compatible with an A2 front sight.  In turn I'm sure that YHM made their front sight/gas block to the same height as the A2 front sight as well.

3/16/2011 6:49:21 AM EDT
[#2]
Just get a matech on eBay.
3/16/2011 7:22:10 AM EDT
[#3]
Thank you.
3/17/2011 3:38:56 AM EDT
[#4]
I have a ARMS #40 low on my rifle, and it works great since I just use open sights. I dont regret spending a little more for a metal sight with useable adjustments
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