Guarder Hammer Spring for Marui/KJ/WE/Stark Arms G Series GBB Pistol

Guarder Hammer Spring for Marui/KJ/WE/Stark Arms G Series GBB Pistol Oil Quenched/Tempered Si-Cr Alloy Steel Wire Essential part for upgrading your Airsoft GBB Hammer Spring Replacement of gearbox internal springs Power increased 10%,reduce Slide Resistance,reduce Trigger Resistance Suitable for Tokyo Marui/ KJ/ WE/ Stark Arms G Series Airsoft GBB Pistol