生存遊戲零件／外槍管／槍管轉接座／槍管螺帽

COW OB1 Threaded Outer Barrel for Hi-Capa 5.1 (.40 Marking) ( SV )

COW OB1 Threaded Outer Barrel for Hi-Capa 5.1 (.45 Marking) ( GD )

COW OB1 Threaded Outer Barrel for Hi-Capa 5.1 (.45 Marking) ( BK )

COW OB1 Threaded Outer Barrel for Hi-Capa 5.1 (.45 Marking) ( SV )