There are many types of shotguns out there, but the double-barrel shotgun is one of the most popular. A double-barrel shotgun is a gun that has two barrels, which can be loaded with shotgun ammo. A double-barrel shotgun is very useful in many different situations, such as hunting and self-defense. Double barrel shotguns are not as complicated as other types of guns, which makes them easier to use. Many people choose to use a double-barrel shotgun because they want something that is easy to handle and operate while they are out in the field hunting or shooting targets.