The M4A1 MWS ZET 35rnd Gas Magazine - Black is a spare magazine designed for the M4A1 MWS ZET Gas Blowback Rifle. Made to the high standards associated with Tokyo Marui this magazine is a full metal STANAG magazine. Made to work with the new ZET system in the MWS M4 This magazine will work all year round and in very low temperatures that cause some GBB systems to fail. The fill valve is located on the base of the magazine and I recessed deeper than a standard valve to assist in filling. This magazine is part of one of the best GBB systems on the market at the moment and is made to very high Standards

    Full Metal STANAG
    Works With ZET System
    35 Round Low Cap