Flintlock Workshop M11 Steel Kit with KSC M11A1 System 7 Full Combo Set
 
-Special Package which include:
 -Flintlock Workshop Steel Kit for KSC M11 GBB
 -HDS Extended Magazine Catch for KSC M11 GBB
 -Flintlock Workshop Metal Silencer for KSC M11 GBB
 -KSC M11A1 GBB

REMARK: User MUST install the steel kit on the KSC M11 GBB by themselves.