WHAT DOES BULK 300 BLACKOUT AMMO MEAN?

Many thanks. It's possible I’ll market/reward them to somebody by using a 16” 300 AAC. They’re challenging as hell to have (I don’t Imagine they’re been becoming generated any longer).I am aware barnes helps make their own personal bullets, but I Practically would assume that is the a hundred and twenty grain tnt bullet. I even have a few