Black powder is highly corrosive, and if it’s left to sit or its residue not wiped away, it can ruin a gun in a very short time. Flintlock muzzleloaders date back to the 1700s and are still made ...

50 caliber or larger rifles will use FFg. There are blackpowder substitutes that produce less fouling, such as Pyrodex. Choose your black powder substitute carefully, as many modern muzzleloading ...