I was under the impression that the current CZ 550 stock would also fit the ZKK actions.
Thank you for your reply BRISTECD.
I was also under the impression that the CZ 550 stock, after reading it somewhere online, would fit as apparently the ZKK was the forerunner to the 550 models...
However, In my search I called Edgar Bros, who is the UK distributor for CZ and spoke with their technical man who informed me that the ZKK action wont even look at the 550 stocks.
Im unsure how reliable this information is but with the gentleman being the 'techy guru' it's the best I have so far.
Thanks again