Golden Eagle MC-16 Hop Up Set For GE M4 GBBR Polymer ConstructionReplacment Of Original PartSuitable For Golden Eagle / Jinggong M4 GBBRGolden Eagle MC-16 Hop Up Set For GE M4 GBBRSKU: GE-PART-M4GBBHP$4.00PriceQuantityAdd to CartBuy Now