i know red ghost usually has some j-frames, air weights, steel frame and ruger lcr etc, etc, but for shotguns i would probably go to rajos, buck and jakes, or *gasp* gander mountain for a wider selection
he just needs to do some shopping around and make sure he gets it in 357mag so he can run...
red brush is really nice, but you need a membership to go or you need a member to go with you, the only public range i can think of is strictly shooting and i dont particularly like it
as far as gun stores, what kind of stuff is he looking for? does he know what kind of gun he wants? you can...
fmj vs fmj (like the military must use) i would take 45acp (wouldnt .50gi be even better?) hands down over 9mm for stopping power, with modern defense rounds and +p 9mm does just fine and gives you extra capacity