T8 Enhanced Tokyo Marui MWS 60 degree Gas Route Seal

T8 Enhanced Tokyo Marui MWS 60 degree Gas Route Seal 60 Degree Rubber Construction Designed to Improve Sealing which Improves the Overall Efficiency and Performance of your Airsoft Magazine Suitable For Tokyo Marui M4 MWS Series Airsoft Gas Blow Back GBB Rifle Airsoft Guns