To be really serious, you need a 12, a .22, a Magnum air rifle in .177, a Glock, and a bolt gun in 30-06 with a biggie scope on it and an AR.
If anyone is too shy to say it, there you have it. From a Canadian youngster with over 30 years of gunning experience. And I am not even 36 yet.
Americans, love your guns and don't let anyone let you feel bad about it.