I have been wanting a nice rear sight for my MARLIN Lever.45-70. I found what I had been looking for in a GHOST RING type sight with protecting rails along either side of the elevation ramp. Is this ever a nice sight! First, it added about 7-3/4" of length to my sight radius, and it located nearly over the top of my hammer. Secondly, the eye naturally centers focuses in the right when you look through it. I located this sight at