OK, first off I am not a rifle expert, shoot mostly handguns, and I know there are a lot of variables to account for and I am not trying to get a perfect answer.
I am in the process of writing some fiction and there is a scene where a carbine in 300 blackout equipped with a suppressor is fired...
This post is in regards to 12 Gauge Shotshells.
I was reading this article:
It was talking about subsonic/supersonic shotshells for defensive/hunting purposes.
What's the difference between subsonic & supersonic...