Tokyo Marui 600rds Magazine for AA-12 Shotgun

Tokyo Marui 600rds Magazine for AA-12 Shotgun Polymer Housing Suitable for AA-12/ SGR-12 Series Airsoft Electric AEG/ AES Shotgun 600 Rounds Loading Capacity Large thumb dial on bottom of magazine allow you to wind up the compression spring Suitable for 6mm Airsoft Plastic Bullet only