COWCOW Technology Aluminum CNC Enhanced Trigger Housing for Marui Model 17 Gen 4 GBB

COWCOW Technology Aluminum CNC Enhanced Trigger Housing for Marui Model 17 Gen 4 GBB Aluminum Construction (Lightweight) Design For Replace the Original Parts More Durable Suitable For Tokyo Marui Model 17 Gen4 Series Airsoft Gas Blow Back GBB Pistol