- ONLY For Marui M4A1 MWS GBB
- Including 90° piston cup O-ring to prevent leak out the gas
- Suggest using 263mm inner barrel
- 134A only
G&P Marui MWS CNC Adjustable Power Nozzle Valve (Level 2) (4.0)
- I'm a product detail. I'm a great place to add more information about your product such as sizing, material, care and cleaning instructions. This is also a great space to write what makes this product special and how your customers can benefit from this item.