Buffalo Arms has the Smith Enterprise rear sights with a .450 dovetail base. It is no problem to enlarge the slot to accept this base.
If you are going to shoot in NSSA, you can put on a plain blade rear made to fit the original dovetail. This will give you a fixed sight with no elevation adjustment. No loss, in my estimation, as the ones that come on the Taylors have no useable adjustment anyway-- the elevator has no detent to hold it in place. Since I was not going to use the factory OEm sight as it had about .030 slop in the blade, I made my own which has a screw adjustment for windage. No elevation adjustment, but I have the correct height to work up to about 75 yards with no holdover. I may replace it eventually with one that is drift adjustable for windage, but due to the thickness of the butt stock, I have to offset the rear quite a bit. It would look pretty funky with it drifted to one side that much.