COWCOW Technology Nozzle Valve Spring for Tokyo Marui Hi-Capa GBB

CCT Nozzle Valve Spring constructed with high strength spring steel and hard coating to enhance it durability and stability. 2 different lengths of spring option lets professional user able to equip the proper one to optimise the performance. White Blue Spring is pre-set as balance on Joule power and recoil. Black spring is around 10% increment on Joule power. COWCOW Technology Nozzle Valve Spring for Tokyo Marui Hi-Capa GBB Made from High Strength Spring Steel Hard Coating Prevents Corrosion 2 different options of spring (White Blue and Black) Effectively balance the Joule power and recoil Suitable For Tokyo Marui Hi-Capa Series Airsoft Gas BLow Back GBB Pistol