There are also various types of ammunition that you can find and buy for each class of firearm. They are broken up into Revolver, Pistol, Repeater, Rifle, and Rimfire ammunition. Within each of those classes, there are various options as well. The most common is “regular” ammo. There will also be other types with higher stats like “high velocity” or “express.” The more powerful the round ,the fewer rounds you can carry at once. You can also craft ammo types like split cut bullets that you make at camp with your knife, or explosive ammunition. The most powerful type of shotgun ammo available are slugs, which can be paired with a rifled shotgun barrel.