Outer Barrel Base For VFC M4 / AR GB

For VFC M4 / AR GBB
CNC machined aluminium made with black anodized finish.
Providing a greater customization possibility and a wider range of barrel lengths to choose from.
5.1" length for GBB-180mm inner barrel.
3.9" length for GBB-150mm inner barrel.
2" length for GBB-100mm inner barrel.
All outer barrels are 14mm CCW thread with M3x4mm set screw for alignment.
All outer barrels are also for AEG or other same spec of outer barrels to extended.
For Airsoft Only.