22lr -preferably a good bolt action, not one of the cheap semi-auto toys
870- 12 guage- can hunt pretty much anything in N America with it.
AR-15 .223- good for predators/scavengers/varmints of the 4 and 2 legged varieties.
30-06 bolt action- For longer shots on big game.
1911 .45 auto- Because you're an American dammit.