THE BASIC PRINCIPLES OF BULK 300 BLACKOUT

I have often heard the 110gr was made especially for the .300BLK and expands at Considerably decrease velocities. I believe the minimum velocity for enlargement for the 120gr is 1800fps.Subsonic suppressed from a length seems like a person banging a car doorway shut, or hitting a bit of wood which has a hammer.  It doesn't really sound like a typi