WHAT DOES BULK 300 BLACKOUT AMMO MEAN?

I resisted the curiosity or desire for the 300BO for years...just had the unsubstantiated effect that it absolutely was plenty of buzz.  Soon after taking pictures a colleague's BO with my suppressor connected, it was a most pleasurable shock.  At this stage I am pretty much contemplating just employing mine in its suppressed setup.  There is no