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- GHK CNC Steel MK16 DD GOV 14.5 inch Outer Barrel Set for GHK M4 V2 / V3 GBBR Out of Stock GHK-URGI-KIT-3$119.99
- GHK CNC Steel MK16 DD GOV 10.3 inch Outer Barrel Set for GHK M4 V2 / V3 GBBR Out of Stock GHK-URGI-KIT-4$109.99
- GHK CNC Steel MK16 DD GOV 14.5 inch Outer Barrel for GHK M4 V2 / V3 GBBR Out of Stock GHK-URGI-5$79.99
- BJ TAC Tokyo Marui M4 MWS GBBR GOV Style Outer Barrel (11.5inch, Aluminum, Black) Out of Stock BJ-MWS-46$34.99