WHAT DOES BLACKHORN 209 POWDER FOR SALE MEAN?

Although I used brick seek out to Track down some Blackhorn 209 to the impending looking time, I had been pleasantly surprised when I was in a position to Find 209 primers, Triple 7, a range of muzzleloading bullets, in addition to a awesome selection of muzzle loading supplies. Attempt it out right now, or explain to an acquaintance who is possess