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

• Material: Rubber