Replace your plastic outer barrel with a metal one.
The Kublai all in one short barrel with adapter
- Heat dissipation texture Design
- Design for for Kublai for M4 AEG BD556 Gel Blaster.
- Fit for Kublai K1,JingJi,JiQu,FB3.0 gel ball blaster V2 gearbox
- T Head Can build-in Water Gel Ball Blaster 14mm Hopup.