I have for sale a CZ Shadow 2 Kadet adapter. It will fit on any CZ frame and allows you to convert your CZ from 9mm to .22lr. I am asking 500 for it which I feel is fair becuase they are kind of a rare find. If you have any questions feel free to reach out.

Note: I am selling just the adapter, not the CZ P01 pictured in the second image. It has a threaded and unthreaded barrel, and two mags.