Shotguns are one of the most useful tools in your arsenal. A reliable shotgun works wonders for home defense, hunting, training, and clay sports. Shotguns are among the most versatile guns out there. Many experts say that if they could just have one gun, it would be a shotgun. However, there are many different types on the market, separated by gauge as well as action. This guide introduces those new to shotguns in a concise manner.