Mine was stock #2.

6.5x55 but it wasn't a true controlled round feeder and it weighed a ton.

I sent it back to CZ and they re-barreled it for me to 9.3x62 and then, documented here, I eventually after a number of cuts and shaves {barrel and buttstock & forestock} made it my 16 1/4" bear gun. Have killed some bear and deer with it.

But it was definitely the one without the hook pistol grip.