This is the latest version of the Elite Force M4 CQB AEG in Tan. The EF M4 CQB rifle is the tactical version of the M4, which accommodates many types of accessories for the player that likes to completely TAC OUT their gun. This airsoft rifle is manufactured with the quality and proven design found in most high-end AEGs. The M4 CQB has a strengthened nylon fiber receiver with a full metal rail system making it realistic in both weight and feel. The new updated model has an update button actuated stock, removable front sight, stronger tappet plate and vented motor grip.