GHK 40rds M4 Gas Magazines for all GHK GBB Rifles Series (Included GHK G5)

Spare gas magazine for the gas blowback M4 series from GHK. Holds up to 40x 6mm BBs and comfortably takes Green gas for normal operation but is strong enough to take Red gas as well.

Also work with Viper Tech, Inokatsu, and others WA system GBBR.