The G&G CM16 300BOT M4 is G&G latest addition to the famous combat machine AEG line. On a quick glance, the G&G CM16 300BOT M4 major feature that separates itself from the other G&G rifle is the full metal 7” key mod rail system that resembles the Knights armament URX 3.1 rail system. The key mod rail system has the standard 1913 picatinny rail along the top, and around the front of the rail. The middle portion of the rail system features four slots that key mod rail sections can be attached to provide extra rail space if needed. Toward the back on both sides of the rail system is a hole capable of accepting a quick detachable sling mount.
