Iron Airsoft Poly Mag For Marui MWS GBB
OptimusPrime
26 Sep 2018
Iron Airsoft are offering an alternative gas magazine for use with the Tokyo Marui M4 MWS GBB Series, their own Poly Magazine. This is a lightweight magazine as it uses Polymer and has 39 round capacity... "Currently, all poly magazines(for MARUI MWS) is manufactured for high pressure gas, they can not be used with low pressure gas(such as 134a). If users consider using them with low pressure gas, please wait for a different version."