15 suppressors which one is the best? In this video will be looking at back pressure specifically.

Of these 15 suppressors varying from 556 to 762 board diameter will be testing how much back pressure they add to a specific weapon. Will be using a rifle, speed, gas block in order to produce a numerical value value of that pressure. The suppressors include surefire, Silencerco, dead air, rugged, suppressors, KGM and more