NOT KNOWN DETAILS ABOUT BULK 300 BLACKOUT AMMO

Well given that, the 300 blk might be a fantastic option for you.  For those who will pistol or SBR it, you truly Do not drop A great deal velocity by heading shorter, that is on the list of good points about this round.  The primary difference in velocity on your supers isn't a lot heading from the 16" to a 10" barrel, significantly less than 5.