Shop › DEAD AIR KEYMICRO 1/2X28 9MM DEAD AIR KEYMICRO 1/2X28 9MM $89.00 Dead Air Armament KeyMicro, Flash Hider, 9MM, 1/2X28, Nitride Finish, Black DA115 Quantity: Add To Cart Added! Dead Air Armament KeyMicro, Flash Hider, 9MM, 1/2X28, Nitride Finish, Black DA115