Guarder Steel CNC Recoil Spring Guide for Marui G17 Gen 4 GBB Pistol

Guarder Steel CNC Recoil Spring Guide for Marui G17 Gen 4 GBB Pistol CNC Steel Construction Design For Upgrade the Original PArts More Durable Suitable For Tokyo Marui G17 Gen4 Series Airsoft Gas Blow Back GBB Pistol Included is an extra spring optimized for use with steel slides.