Are you going to use the rifle for hunting or target? They should be set up differently for either use. For hunting, either the Williams or the Lyman would be really helpful, especially if you have some miles on your eyes. If you are shooting target, then you will want a longer barreled rifle, and the tang sight will give you even more sight rafius. BTW, many of the oldtime shooters used a sight mounted on the top of the butt of the stock, to get the maximum sight radius, and shot lying on their backs, with the gun in the armpit.
I have the Williams mounted on my guns and am very well pleased with them.