Dead Air Armament Keymicro Adapter Muzzle Device Legacy Black. This is the same proven mounting technology found in our KeyMo system but sized down with weight savings for your pistol silencers. Simply unscrew your booster assembly or fixed mount and thread in the KeyMicro Adapter. Specifications for Dead Air Armament Keymicro Adapter Muzzle Device: Manufacturer: Dead Air Silencers Color: Black Finish: Matte Condition: New Package Contents: Dead Air Armament Keymicro Adapter Muzzle Device Dead Air Armament Keymicro Adapter - DA452