Unfortunately the ARMS setup raises the top rail and if the BUIS is put on the receiver portion of the rail, the Eotech makes it inoperable. I would have to take the Eotech off to use the BUIS. Too slow if the SHTF. Where the BUIS is now, yes it shoots high, even with the front sight as high as I could adjust it. The one thing I did find was that the large aperature ring lined up almost perfectly with the Eotech ring, so if the Eotech went down I will just line it up in the center of the Eotech viewing area and it works fine. Not ideal, but will work until I replace the rail system.
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