The performance seems impressive, but what i hate about most of airsoft producers is the lack of effective quality control.

I bought this gun last year and it had major fps-issues. It had already a low fps under 300 fps from the factory but after some time it dropped almost half. It had massive airleak and the new gearbox shell was the big problem. I addressed the problem to TG and Cyma. I also have a "normal" Cyma MPK Blue Edition without the factory mosfet with a different gearbox shell and this gun shoots 330 fps. Oh I also had that long modern MP5 with the Cyma mosfet. No fps issues at all but the mosfet trigger switch got burned after 2 months with the gun not shooting at all. Swapped the factory mosfet to a Gate Titan after that.

Hello! is the factory spring m90? or what does it correspond to?

This gun is compatible with drum mag G&G?

change spring?

What suppressor is that