The external dimensions of the T8 Enhanced Piston Head 70 Degree for TM MWS M4 GBB are adjusted, and the three-stage contact structure at the front end is thickened, which increases the air tightness, which is better and more stable than the original. The 70-degree rubber material has better rebound and is not easy to be broken under long-time use, and it is better compatible with worn bolt that have been used for a long time.
Key Features
Material: Made of high quality improved rubber
Lightweight design
External dimensions are adjusted
Improved material for better air seal
More stable than OEM piston head at low temperatures
