You should look into hawkins precision. They make a talley style ring with 25 mins built in and offer a level in the rear ring. Weight is 3oz and cost is +/- $125.00

Originally Posted by BrentD

I would not buy something that runs on any kind of primer given the possibility of primer shortages and even regulations. In fact, why not buy a flintlock? Really. Rocks aren't going away anytime soon.