GUARDER 100mm Steel Leaf Recoil Spring for Marui G-Series / M&P GBB Airsoft ( PS-100 )

For GUARDER Recoil Spring Guide Only ( GLK-17 / GLK-193 / M&P9-03 )
Compatible with Marui G17 / 18C / 22 / 34 / M&P9 Gas Blowback Pistol
Steel Slide / Co2 Blow-Back System Recommended
Spring Length: 100mm