300-BLACKOUT-AMMO SECRETS

Many thanks. Probably I’ll market/present them to an individual by using a 16” 300 AAC. They’re difficult as hell to obtain (I don’t Believe they’re been becoming produced any longer).Nope.  You might be burning far more powder than .22 LR, plus your ear is right close to the ejection port, combined with the buffer and spring bouncing cl