Double Bell 350 rds Gas Drum Magazine for GSeries GBB

Double Bell 350 rds Gas Drum Magazine for GSeries GBB Polymer Construction Fit 6mm Plastic Bullet only Just be sure to wind the dial and fill it up with gas between each skirmish. The Adaptive Drum Magazine is utilizing an adaptive magazine system to interchange with different adapters for different models Suitable For AW /WE /Tokyo Marui Model17 Series Airsoft Gas Blow Back GBB Pistol