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.
- The wear of o-ring inside the valve is normal situation. It can be replaced if necessary, please [click here] and refer to the replacement.
- Suitable for M4 CO2 magazine / AR CO2 GMAG magazine