Its a 50th edition blackhawk flattop 44 mag with 6 1/2 in. barrel. I tried to get the weavers that don't have to drill and tape into the frame, but they don't fit the blackhawk only the new models. So now I've decided to have it drilled and tapped for mounting. Any of you favorites for the old flattop frame? Looking at weigand, and leupold. Please any help would be greatly appreciated. Got another hog hung coming soon and would really like to have this set up and ready to go. Thanks guys.