NINE BALL Wide Use Gas Route Rubber ( AERO ) for Marui GBB Airsoft

- Streamlined inner surface for better performance
- Special rubber material for cold resistance and prevents leakage

Can Fit below Marui Airsoft Series

1. M&P 9
2. HK45
3. XDM-40
4. PX4
5. Warrior Series
6. Government Series
7. MEU
8. Detonics.45 Series
9. USP
10. MP7