Dig a bit deeper next time!
A client that works with all 4 developer runnables & cbt clients(probably, dont hold me against that lol):
http://forum.ragezone.com/f700/release-gunz-2-standalone-edition-897301/
As for the server files, I don't think they were publically released, but you can build them with the leaked source:
http://forum.ragezone.com/f700/gunz-2-alpha-source-code-899912/
There may be some bins of the servers laying around somewhere, but I'd build them from scratch if I were you anyways.
Goodluck!