상품명 : Guns Modify Aluminum CNC Receiver Set for Tokyo Marui M4 MWS GBBR -세라코트작업
상품명 : Guns Modify Aluminum CNC Receiver Set for Tokyo Marui M4 MWS GBBR -no Marking
상품명 : Archwick officially licensed COLT L119A2 GBB Full Conversion Kit(볼트캐리어/탄창 미포함)