Golden Eagle Gas Charging M4 Stock Adapter for M870 Gas Shotgun Series (MC-83)
 
Full metal construction
Replace the fixed stock and gas tank of the Golden Eagle / Tokyo Marui M870 Gas Shotgun
This adapter works as a tactical gas tank which also allow user to use their favourite M4 rear stock and pistol grip.
With VLTOR Rear stock and GBB M4 Pistol Grip.
Support 134a gas and Green gas.
Suitable for both Golden Eagle and Tokyo Marui M870 Gas Shotgun.