COWCOW Technology Tokyo Marui G17 Gen 5 GBB Airsoft Spring Set

COWCOW Technology Tokyo Marui G17 Gen 5 GBB Airsoft Spring Set Metal Construction Airsoft Spring Set Features a 120% spring strength ratio Promotes consistent and reliable cycling with each trigger pull Provides consistent FPS/Joule output Reduces power output deviation under varying temperatures Simple drop-in installation, no modifications required. Suitable For Tokyo Marui G17 Gen 5 Gas Blow Back GBB Airsoft Pistol