GUARDER Hammer Spring for MARUI/KJ/WE/Stark Arms G-Series

-For MARUI/KJ/WE/Stark Arms G-Series GBB
-Color: Black
-Material: Oil Quenched/Tempered Si-Cr Alloy Steel Wire
-Increase the spring angle, resistance to effectively reduce pressure on the hammer
-Power increased 10%,reduce Slide Resistance,reduce Trigger Resistance
-MADE IN TAIWAN