.22LR to 50 BMG! I dont care what it is, I dont want shot by any of them.
^^This^^
A wise man once told me "It's not hitting something that's important, it's hitting something important that's important.
Carry whatever you like and are proficient with. I like to carry a 10mm Auto in the colder months, and a 40 S&W when it is warmer. I just feel better about the 10's ability to penetrating ghetto armor.