Ruger's original Redhawk was a great gun but with the Super Redhawk they have made it much easier to fit optical sights. Here the Millet red dot which is excellent. The gun will happily handle the hottest of loads and the one piece frame is very much built for strength. As a mil buddy once said - Ruger's frame is built like a brick latrine!
The barrel length is favored for the possible small increase gained in velocity and accuracy, as well as damping recoil a shade more. Hogue grips add to the control/comfort aspect of shooting it.
Gobango.net web site - see this picture and many more, plus articles.