Testing 9mm Suppressors

We take out a collection of 9mm caliber suppressors, a Bruel & Kjaer impulse sound meter and a bunch of Speer Lawman subsonic 9mm ammo to find out how well each of them performs following the Mil-Std 1474D protocols. Part 1 of this series: Part 2 of this series: Breakdown of Suppressor performance: #gid=361430461 Suppressors used