Features:
- Smoother internal transition improves gas flow
- Potentially boosts FPS and increases performance
- Direct replacement rubber magazine gasket
- 2 replacement gaskets per pack
Compatibility: For Tokyo Marui MP7, M&P9, HK45, XDM-40, PX4, Warrior, Colt Government, MEU, Detonics .45 and USP Series Airsoft GBB Pistols
