VFC Umarex Upper Receiver For HK416A5 GBB Airsoft Rifle (Part # 01-4)

VFC Umarex Upper Receiver For HK416A5 GBB Airsoft Rifle (Part # 01-4) Metal Construction Airsoft Upper Receiver Design For Replace the Original Parts Engraved "H&K" Marking on Body Suitable For VFC (Umarex) HK416A5 Gas Blow Back GBB Airsoft Rifle