it replaces the original gearbox components with a programmable pneumatic system allowing for higher performance and greater reliability over a gear driven system

Tan & Black Options available

Aluminum Upper Receiver with Metal Barrel Assembly

rotary Hop-up

You can not go wrong with these 6mm

G&G CM16 300 Bot Airsoft AEG 0.28 g it replaces the original gearboxThe 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