Get-Reload have sent over details of the electric winding magazine they are stocking:
MA 1000rd Electric Winding Dual Mag Review
Production Description
- 1000rd Capacity in Dual Magazine
- Contain High simulation Bullet
- The electric motor is operated by a very small button on the left magazine
- Operated by 3 x AAA batteries. (Not include)
- Continuous 1000 Rds of capacity is surpass cover fire for most competition & skirmish airsoft game
- A great option to holding a lot of rounds without a big bulky box or drum magazine
- Suitable for AK Series AEG 6mm Plastic Bullet
- There are many feeding options with this magazine:
- There is a sensor at the top of the magazine to auto detect when the gun is fired so the magazine can wind up to keep up
- There is also an auto switch which keeps the magazine motor on constantly
Link: http://www.get-reload.com/cyma-1000rd-electric-winding-dual-magazine-for-ak-aeg-p-2005.html