The 9mm is a great round, and in my last concealed carry post I covered some great concealed carry guns built around that caliber. However, there are a lot of handguns in larger calibers that are perfect for concealed carry as well -- that are also designed for concealed carry -- and these guns carry the benefit of having more knock down power, or more one-shot stopping power. Specifically, I'm thinking about handguns chambered in .40 and .45 caliber. To cover these rounds, I'm going to examine the Glock 27 in .40, the Smith & Wesson M&P in .45, and...