I see that American American Pioneer® and Jim Shockeys™ GOLD™ powders comes in two granulations – what is the difference between FFG and FFFG?
A. Traditionally, black powder has come in different sizes, or granulations. This was done to control the burn rates of the powder, with the smaller sizes burning faster than the larger sizes. The larger sizes have been traditionally used in larger calibers. FFG (2Fg) is primarily used in rifles. FFFG (3Fg) is a slightly smaller and finer powder then FFG and it is usually used in pistols and small caliber rifles.
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