Dynamic Precision Enhanced Sealing Buffer for Tokyo Mauri M4A1 MWS GBB

Dynamic Precision Enhanced Sealing Buffer for Tokyo Mauri M4A1 MWS GBB Rubber Construction Improved material for better air seal More stable than OEM piston head at low temperatures Improved durability over OEM piston head Suitable For Tokyo Marui M4A1 Series Airsoft Gas Blow Back GBB Rifle