WHAT DOES BLACKHORN 209 POWDER IN STOCK MEAN?

Blackhorn powder is hands down the cleanest and greatest taking pictures powder that I've at any time utilised! I'm shooting 80grn by quantity with hornady xtp 240s and they are tack drivers at 100yds! I haven't had a misfire making use of Blackhorn 209 and Winchester W209 primers!I have no doubt that their analysts have decided that the hunting Ne