CQB Russian HPA Mag Adapter for KWA. Say goodbye to tapping your green gas mag for HPA. You can now convert your green gas pistol, sub machine gun, or rifle to HPA with this easy to use CQB Russin HPA Mag Adapter. It will work with most QD style hoses and no tapping or drilling needed. With this, FPS can be adjusted from the regulator of your HPA tank.
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