G&G 600rd 74 Type magazine for Marui AK AEG Rifle (Brick)

G&G 600rd 74 Type magazine for Marui AK AEG Rifle (Brick) Polymer Construction 600 Rounds Loading Capacity Magazine Suitable For Tokyo Marui AK47 Series Airsoft AEG Rifle Large thumb dial Integrated winding wheel on bottom for speed reloading Suitable for 6mm Plastic Bullet BB