Thread: Subsonic .223rem

Originally Posted by TeRei

When you are talking about still effective killing you would need at least 7gr's otherwise it would dribble out of the barrel. My mate has 9 baffles on his DPT can. It is very quiet.

With a 45 grain cast bullet and 5.2 grains of Red dot the velocity is 1795fps hardly subsonic it would be slower with a jacketed bullet but not by much