GHK M4 CO2 magazine
● Type: CO2
● Capacity: 40 rounds
● Net Weight: 700g
● Material: Metal made, nitriding manganese phosphate treatment surface.
● Compatible: WA system, GHK M4/PDW
# The 2nd generation is different to the past...
This is the 2.0 version, and we made an all-brand new CO2 system:
1) Easy to screw co2 cartridge and cartridge easy withdraw.
2) More gas efficiency
3) Improve the problem of rust from version 1.0, with nitride manganese phosphate treatment