It works well. I'm running an AAC SDN6 on it and it's quiet enough to run with no ears indoors. BUT to be honest this thing is so much fun to shoot unsupressed with the brake I will probably just run it that way the majority of the time. Also....the stock Century Yugo trigger is pretty impressive. Working on the reset I can get it moving almost as fast as I can with my ARs and SD3G Geissele triggers.