FFFG - What does FFFG stand for? The Free Dictionary
References in periodicals archive
The kit's bullet weighs 52 grains, and I put a slightly compressed charge of FFFG
blackpowder behind it.
Modern cases will accept up to 54 grains of FFFG
black powder, but the original loading of 45 to 50 grains does just fine.
451" swaged balls from Speer, CCI #10 caps and a flask of Pyrodex FFFG