The new 2,300-round Drum Magazine from G&G Armament is in stock right now at Airsoft Atlanta... "G&G M4 - 2300 Round AEG Hicap DRUM Magazine (Manual wind G-08-171). This is the largest drum magazine you can get for the M4 AEG. Fits in all M4 and M16 AEGs made by nearly all companies. Screw midcaps - get this beastmode mag and dominate the entire battlefield with a smug face.

Full polymer build, easy to wind, load, and use.  Very smooth function for the most picky airsoft player."