G&G 2300rds Auto Winding Drum Magazine for M4/ M16 AEG Rifle

G&G 2300rds Auto Winding Drum Magazine for M4/ M16 AEG Rifle Polymer Construction 2300 rds Loading Capacity Drum Magazine Electric Auto Winding Drum Magazine Suitable For G&G M4/ M16 Series Airsoft Electric Gun AEG Rifle Airsoft Guns