Any 3F, me i prefer Swiss, Goexll do, pyrodex #F, dont know ifin its percussion? If it is #11 caps, any make'll do fer now. Ifin its a finter, then ya AINT gonna wanta fool with anythin but blackpowder, experienced hands can get by with duplex loadins an all that but a tyro wants ta keep it simple at first. try 30 grains, patched round ball, prolly .440 an 18 thou patch'll get er done.
Ya wants ta lube tha patch, all KINDS o lube out there fer it, even crisco ina pinch.
CLEAN er good, soap an water after, lube er down and yer done.