MAC decided to test variety of suppressors and this will be divided up in to several different segments. This segment is about 5.56 mm suppressors. AAC, SilencerCo, Surefire, and Griffin Armament were tested. If you want to see just the results, skip to 13:03
https://www.youtube.com/watch?v=51cSzfn-WCo
From: Military Arms Channel
