M4 GHK MAG CO2 OUTPUT VALVE

Spare parts for GHK M4 GBBR

- Magazine gas type output valve, copper and iron made.

- Compatible with GHK M4 CO2 magazine.

- Please use silicone oil as maintenance, so that the air-tight can be mainten in good condition.

- Suitable for M4 CO2 magazine / AR CO2 GMAG magazine