Lay down infinite firepower from your AK AEG with the new 3,500rd Auto Winding Drum Magazine from Sentinel Gears. This innovative magazine option is powered by 4 AA batteries, so you do not have to waste precious time winding a wheel when reloading. Simply press the button at the front of the magazine and the motor inside will start to automatically reload. Although this magazine holds 3,500 rounds, the full polymer construction ensures this drum magazine remains lightweight and extremely durable against the elements. The universal design of this magazine allows it to be used with most AK style AEG airsoft rifles. Keep the rounds flowing all day and pick yourself up this 3,500 round Auto Winding Drum Magazine from Sentinel Gears today.