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 ...

Despite this lifelong exposure to powder horns and ram rods ... I prefer to work with the more stable substitutes. The Pyrodex P (the P stands for Pistol) is an old standby that burns reliably ...