Originally Posted by eightbore
I have a Martini with a Unertl tube sight which I have removed. I am looking for the ideal American gun to install the tube sight on. Any suggestions?

My choice would be almost any American single shot from the late 1800's or early 1900's, that you intend to shoot at 250 yds. or less. They look very appropriate on these rifles, and the tube sight works great out to this distance, with enough adjustment in the mounts.