Z-Parts MK16 DD GOV 10.3inch Steel Outer Barrel for GHK M4 GBB Airsoft Rifle

Z-Parts MK16 DD GOV 10.3inch Steel Outer Barrel for GHK M4 GBB Airsoft Rifle Metal Construction Airsoft Outer Barrel Come With Dummy Gas Block 14mm CCW Thread Suitable For GHK M4 Gas Blow Back GBB Rifle Airsoft Gun Length: 270mm