Question: what is ffg black powder used for?
Answer: FFFFG -- finest granulation, used for priming flintlocks, FFFG -- used in black powder pistols, cap and ball revolvers and muzzleloading rifles of 45 caliber and smaller, FFG -- used in muzzleloading rifles larger than 45 caliber, FG -- used in large bore shotguns (8 gauge or larger) and cannons.