What eeyore said above is true ... The TM mags are probably the best you can get... NS2 and system seven are exactly the same thing... I have a kwa usp and the little gas consumption is just amazing.
I also own the kjw MEU which is the exact same as the 1911 exception different rear sight, rail, and the mag has a bumper on the bottom. Shoots so accurately abd consistently. But because of the single stack mag it sucks more gas than a hummer does. The pistol itself is nice and hefty and feels great ... TM compatible as well.
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