5KU Strike Face Kit Tactical Block for Marui GI7/GI8C (GB285)

5KU Strike Face Kit Tactical Block for Marui GI7/GI8C (GB285) Metal Construction Strike Face Tactical Block For Attach on The GSeries Lower Frame Under Rail Suitable For Tokyo Marui GI7/GI8C Series Airsoft Gas Blow Back GBB Pistol Airsoft Guns