300 BLACKOUT BULK AMMO FOR DUMMIES

I've always heard the 110gr was designed specifically for the .300BLK and expands at A lot lessen velocities. I believe the minimum amount velocity for expansion for the 120gr is 1800fps.Nope.  You are burning extra powder than .22 LR, as well as your ear is right next to the ejection port, along with the buffer and spring bouncing all over within