I reload for my 9.5 inch Super redhawk. I use H110.
The reason I use it, is that it gives me an accurate round for the handgun, and also works the best for my Marlin 1894SS.
Consult your own data for a recipe, but I put out a 280 grain rfpgc hard cast bullet(cast bought from LBT), at 1350fps. I am close to max, but can go hotter, but why. This is a hot round and very accurate.
In the Marlin, I use a 300 grain rfpgc hard cast lead(also a LBT cast), and push 1700 fps. This is an accurate deer slayer.
The reason I use two different casts to cast my bullets, is that the Marlin works better if sized to .432 as opposed to .429 in the Ruger.
I will say that the 296 works well too as does h4227, but I chose the 110 as that it is so common, and available.
If you do not cast your own, might I suggest looking into Lead Bullet Technologies casted bullets. I dont like the lighter bullets, as that they do not penitrate as deep as a heavy round flat point hard cast does. And remember that hard cast lead produces less pressure than a jacketed bullet does under the same charge.
Don't get lost in energy. Its a mathamatical formula that does not always give the best idea of killing power. A 300 grain hard cast bullet will punch deeper going 1200fps, than a 225 going 1600 fps, and I dont care what the energy level is. I have seen it in deer time and time again.
If you want to see what a cast can do, look at Buffalo Bore Ammunition's web site. They push a 340gr hard cast out of your Ruger at 1400 fps. WOW!!!
PS Never mind the dope who frowns on reloading. You will get the best ammo ever if you take your time.