Hi-cap double magazine designed for Colt AEGweapons (M4, M15, M16 etc.), which looks like two magazines connected by clips, one of them has 5.56 mm bullet imitation in the upper part.
This magazine does not need to be manually winded, but is servo driven, activated by sliding a switch in the front of the magazine. The electric motor then does the winding for you.
Power is provided by a rechargeable battery built inside. Charging time for a fully discharged battery is approximately 2 hours. A battery charger is included in the package.
The capacity of the magazine is 850 BBs. It is made with a combination of plastic and metal.