The G&G MXC9 130R magazine is a mid-capacity airsoft magazine specifically designed for the G&G MXC9 series AEG
 
Product Details and Features
Capacity: 130 rounds (BBs). As a mid-capacity magazine, it does not require winding, and feeding is reliable.
Material: Made of reinforced, impact-resistant synthetic/polymer material with a steel feed spring.
Design: Features a clear window on the side with a load level indicator so you can track your round count.
Compatibility: Designed specifically for the G&G MXC9 AEG series. It is not compatible with other SMG-5 AEGs.
Performance: Suitable for use with a high rate of fire (ROF) of up to 32 RPS