I know the rail space is limited, but I found a pic of the 3x magnifier with a rear Troy buis that looks like it rests underneath the magnifier. I don't know if there would still be enough space for the front buis to lay flat. Heres the pic. It looks like it would be real close. Any thoughts?
http://img136.imageshack.us/my.php?image=69831im2.jpg
http://img136.imageshack.us/my.php?image=69831im2.jpg