Sage Dynamics: Dead Air Sandman-S™ on Agency Arms Classified February 08, 2016 Posted in: Videos Comments: 0 Running the @deadairsilencers Sandman S on the @agencyarms Classified. #agencyarms #deadair #deadairsilencers #Railscales #trijicon #sagedynamics #weaponized #magpod #magpul #axts #bootleginc A video posted by Aaron Cowan (@sagedynamics) on Feb 8, 2016 at 6:57am PST