Spare parts for GHK M4 V3 GBBR- Standard nozzle, plastic made- Muzzle velocity:About 110-120 m/s (vary depending on enviromental temperature) (This data is by using 12kg gas, not for co2 power.)..
Spare parts for GHK M4 V3 GBBR- M4 V3 Recoil Spring, Iron made.- Length : 210L- Improve the operational feeling. It is recommended to use it with CO2 Magazine...