ONE gun so you're always familiar with it
As stated in another post, since I often have to cross the river from PA into NJ or down into MD, I don't carry every day. Neither of those states, nor NY to the north of me, recognizes my CC permit. In fact, in NJ it's a $1000 fine PER hollow point bullet you are caught in possession of, along with the felony. Even if I don't plan on going East or South crossing state borders, when I'm out and about things come up and IF I'm carrying that day, I'm in a bind. When I do carry it's ALWAYS the little Sig P938 in 9mm. Summer, Winter... no matter, I like how concealable it is even in summer shorts and T-shirt and how it doesn't cramp my style sitting/ driving as some of my larger guns do concealed. I also agree with the premise that if you carry several guns, there is always the chance, especially in a stressful seconds count situation, that you forget which gun you have, and what to do with it for it to go bang. I'm used to my sig, I know exactly how it feels every time I pull it out so it becomes second nature if I ever have to use it.