Systema 120 Rds Magazine for PTW M4/M16 (.25g BB compatible)

Systema 120 Rds Magazine for PTW M4/M16 (.25g BB compatible) Metal Construction 120 Rounds Loading Capacity Magazine Suitable For Systema M4/ M16 PTW Series Airsoft Rifle For 6mm Plastic Bullet only Best accompanied with Plastic Bullet Loading Too or Speed Loader