ProWin G17 / G18 Green Gas Magazine (52 rounds, Long Type Airsoft Magazine)

Prowin has been known for producing lightweight and much improved gas efficiency magazines for various platforms, from WA to Tokyo Marui. This 52 round extended magazine has the extended capacity of 52 round (+2 rounds when compared to the original Tokyo Marui extended G series magazine) and provides a much improved gas efficiency over the original Tokyo Marui G series magazines, it also shaved weight by roughly 30% from the original one.