VFC Hop-Up Chamber Set For M249 GBB Airsoft Machine Gun (Part # 11-01 to 11-04, 11-07, 11-08)

Key Feature Metal Construction Hop-Up Chamber Set Design For Replace The Original Parts (Part # 11-01 to 11-04, 11-07, 11-08) Suitable For VFC M249 Gas Blow Back GBB Airsoft Machine Gun