5KU Slide Stop with Thumb Rest For Marui Hi Capa GBB (Gold)

5KU Slide Stop with Thumb Rest For Marui Hi Capa GBB (Gold) Stainless Steel Construction Design For Upgrade The Original Parts That can also Act as a Thumb Rest Suitable For Tokyo Marui Hi-Capa Series Gas Blow Back GBB Pistol Airsoft Guns