Is a see through suppressor even possible?
Yes one was actually made and tested.
Check out the hidden world of what it looks like inside a suppressor when fired.
YouTuber Smarter Every Day 2 shared a video of what the inside of a suppressor looks like when fired.
Normally the hidden world of suppressors keep how it all works somewhat a secret. Metal bodies do not allow viewing of where the hot gases go to suppress the noise of a shot. The clear housing on this suppressor shows just what happens at the time of the shot.