which rail and method for POSP with CZ 858 ...

[yes_we_can]

Hi,
i ve bought a brand new CZ 858 and i want to mount a POSP rifle scope
i m looking for someone who have already done it and buy the rail (if it exists)
but it seems to be difficult to this ...
if anyone can help me ... he will be welcome
Thanks a lot

(CZ 858 / S&W MP&9 / S&W 686 / WALTHER P22 RedDot / UNIQUE 25ACP)