More G&G Combat Machines for 2015 are now hitting the shelves of Airsoft Atlanta, includiong this G&G CM16 SR-S AEG... "The latest addition to G&G's CM16 (Combat Machine) Series, the SR-S features a 7in. Keymod rail system. This AEG packs some great features into an affordable package. These new guns feature a full metal keymod rail system with monolithic top rail, flip up front and rear sights, ambi mag release and a built-in mosfet unit!