COWCOW Technology Fiber Optic Rear Sight Plate for Marui Hi-Capa GBB Pistol

COWCOW Technology Fiber Optic Rear Sight Plate for Marui Hi-Capa GBB Pistol Aluminum Construction (Lightweight) Design For Upgrade the Original Parts Suitable For Tokyo Marui Hi-Capa Series Airsoft Gas Blow Back GBB Pistol Include Red & Green Fiber