The 002 Cup Challenge?
As far as I'm aware it should do. Safariland list it as a compatible model.
They used to make a 7" version, although I'm not sure if it's still in production.
CZ for sure. A couple of years ago at local IDPA and USPSA matches you didn't see a single CZ. Now they are all over the place. I am included in that bunch as well, I ditched all my polymer guns and switched to CZ.