[Building Fire] Super Lightweight 9mm Aluminium M4 V2 Gearbox with 9mm Bearings [BLK]
Factory Code: 9mm
Building Fire 9MM Bearing Gear Box (Ver.2)
Compatiable to any of the internal gears that you can buy on the currently market.
- Part No.:9mm
- Material: Metal
- Weight : 120g*
- Bearing Size: 9mm
- Compatiable: M4 MP5, G3 Series AEG Airsoft.
- Gear Box x 1pc
- Bearings x 1 set.
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