KWA 1911 MK I-IV Series 21rd GBB Airsoft Magazine (197-01302)

KWA Is the leader in airsoft innovations and engineering creating the revolutionary NS2 green gas magazine system. KWA gas mags use less gas and provide the same power as other brands. These mags are built tough and are made of high quality metal. This specific mag is made for the KWA M1911 MARK I-IV models. This is a double stack mag and will not work with the previous versions that held 14 rounds. KWA mags are designed different than other brands and will only work in KWA model guns and only in their newer NS2 systems versions. They are not compatible with older versions using different systems. All KWA magazines come with a 30 day manufacturer warranty.