Nine Ball Gas Loute Packing EARO (Magazine Lip) for Tokyo Marui M9A1 / M92F GBB

Nine Ball Gas Loute Packing EARO (Magazine Lip) for Tokyo Marui M9A1 / M92F GBB Direct replacement rubber magazine gasket Reduce gas passage resistance with the aero shape inside Made from cold-resistant material to reduce gas leakage Special surface treatment and material with smooth surface Suitable for Tokyo Marui M9A1/ M92F GBB Magazines