G&G M4/M16 2300rd Drum magazine (Electric)
G&G M4 - 2300 Round AEG Hicap DRUM Magazine (Auto-electric wind G-08-170-1). T
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.
Any 7.4v lipo will work, like a 250mah or 1000 stick should be fine. Drum has a switch if you want to change from electric-wind to manual wind.
Full polymer build, easy to wind, load, and use. Very smooth function for the most picky airsoft player.