KSC M9 24rds Gas Magazine (Taiwan Version/ System 7) Airsoft Shells the battery is stored in

the battery is stored in the grip

furthermore

Covert Power Indicator: Easy for user to check but hard to be detected by user's enemies

Design for Attach on G28/ HK417 Rifle RIS Handguard (Right Side)

Guarder Stainless CNC Outer Barrel for Marui M45A1 GBB Pistol (Silver)

KSC M9 24rds Gas Magazine (Taiwan Version/ System 7) Airsoft Shells the battery is stored inKSC M9 24rds Gas Magazine (Taiwan Version System 7) Metal Construction 24 Rounds Loading Capacity Magazine Suitable For KSC M9 Series Airsoft Gas Blow Back GBB Pistol (System 7) Powered by Green Gas and HFC134a For 6mm Plastic Bullet only Best accompanied with Plastic Bullet Loading Too or Speed Loader