T8 70 degree Enhanced Piston Head For SIG P320 M17 / M18 GBB Airsoft

Key Feature Rubber Construction Airsoft Piston Head 70 Deggre Rubber Enhances Air Tightness Improves air seal tightness between the pistol and magazine. Boosts overall gas efficiency for better performance. Suitable For SIG P320 M17 / M18 GBB Gas Blow Back Airsoft Pistol