I have a couple of black powder pistols, a 16 guage and a couple of my favorites from when I was in the army, an M1911-A1 pistol and an M1 carbine. I'd like to have an M2 or M3 carbine and one of these,
http://world.guns.ru/smg/smg32-e.htm but they frown on civilian folk having fun. The M3 submachine gun was brilliant. It was made mostly of sheetmetal. You could make it work even if the entire trigger group fell out and it didn't cost you 2 months pay if you lost or broke it like the M1 rifle or carbine.