COWCOW Technology 120% Hammer Spring For Tokyo Marui G17 Gen 5 GBB Airsoft

COWCOW Technology 120% Hammer Spring For Tokyo Marui G17 Gen 5 GBB Airsoft High-quality Stainless Spring Steel Construction Airsoft Hammer Spring 120% hammer strength ratio for consistent and reliable cycling Provides consistent FPS / Joule output, reducing power deviation under different temperatures Suitable For Tokyo Marui G17 Gen 5 Gas Blow Back GBB Airsoft Pistol