Airsoft Atlanta have a great deal on the G&G GBB M4 carbines:
Update: New gas blow-back M4 carbines from G&G for only $139.99. Several different variants, colors, and barrel lengths of the Combat Machine CM16 airsoft carbines are now available in gas blow-back form at Airsoft Atlanta. In stock and shipping from our warehouse now. These are the newest, most updated gas system by G&G, where they
worked out all the kinks. Desert Tan and Black colored guns available. Spare M4 gas magazines are arriving in a week or so. An incredible value on this new gun, check them out here.
