You could indeed create a superman like that, but as you said he would become a target. Also if you're going to field him as a hunter then you'd want to keep him well back and use his range, adding pistol skills seems a bit pointless then.
Why not create a Sergio Leone type? The Clint Eastwood lone gunman: Gunslinger, Marksman, two pistols; or the Lee van Cleef Rifleman: Hunter, Hunting rifle.
Remember that while painting them you have to have the soundtrack to The Good, the Bad and the Ugly on in the background.