I Aim to Misbehave... Quietly. Definitive Arms DAKM 4150N finally has a thread adapter to mount an AAC flash hider and an AAC SDN6. MI side mounted Vortex Razor HD Gen II 1-6x to say hello from afar and a Surefire Mini Scout for house calls. Wrapped in Magpul love, this is a DMR for any Browncoat.