WHAT DOES BULK 300 BLACKOUT AMMO MEAN?

I resisted the fascination or want for any 300BO For several years...just experienced the unsubstantiated effect that it was loads of hype.  Following shooting a friend's BO with my suppressor attached, it had been a most pleasurable shock.  At this time I'm pretty much thinking of just working with mine in its suppressed setup.  There is no sho