Built with stamped steel construction for durability and reliability Auto-winding mechanism feeds BBs into your machine gun effortlessly The stylish matte black finish gives an official look more in line with the real steel version Requires 4X AA batteries to operate (not included) Fully compatible with A& K MG42 Machine Gun AEGSpecifications: Brand A& K Build Metal Magazine Capacity 2000 Rounds Compatibility Compatible with A& K MG42 AEG Airsoft Machine Gun Height 4.75 Width 4 Weight 1.8 lbs Color Black 1X Drum Magazine