Airsoft Masterpiece Aluminum Rear Sight with Fiber for Marui Hi-Capa STI Style GBB Pistol

Airsoft Masterpiece Aluminum Rear Sight with Fiber for Marui Hi-Capa STI Style GBB Pistol Aluminum Construction With Fiber Optic (Green & Red) Suitable for Tokyo Marui Hi-Capa/ 1911 Series Airsoft Gs Blow Back GBB Pistol