A ruger super redhawk in 44 magnum would be a good deer revolver that is da/sa. The hogue grips really make it easier to handle to boot. You can shoot 44 special loads to practice with it. Each state is different about handguns for hunting. Some states, 45acp is legal, while other states, it needs to be a magnum revolver. I wouldnt do anything less then a fullsized 45acp, and loaded to hot to +p levels. Lot easier to just use a 44 mag IMO.