Spare parts for GHK G5 GBBR
－Plastic made, high muzzle velocity version nozzle (with inner barrel the length 300mm or above)
－Muzzle velocity：About 120m/s (vary depending on enviromental temperature & length of barrel)
(p.s) Due to the original G5 barrel is short, please use 12"/16" kit with high muzzle velocity nozzle to increase fps.