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aac blackout muzzle brake

  1. SBR, Suppressors and NFA Items
    Hey guys, I want to run this muzzle brake, anyone have one, anything I should watch for? All information is welcome, any suggestions would be nice. Any problems with installs or function? I am paying on an sdn-6 on layaway, will the aac miter mount run on this? And who likes there's :p? I'm...