Here is a quote from Donald Macintosh, GB rifle coach, who I suspect did most of the work on this. There was also a lack of shotgun records so CPSA seem to be failing to do their bit again! John Leighton-Dyson, GB shooting performance director for 10 years to 2009 and David Levene, accomplished pistol shooter and British Pistol Club officer..
"Please advise any errors or omissions. This has been a difficult and lengthy task to collate all of this information, I had been tracking the Rifle records since the major rules changes of 2013 - none of which were ever ratified by NSRA - and there didn't seem to be any kind of list for Shotgun that anyone could find. So, with with a lot of help from John Leighton-Dyson and David Levene, we believe this is a complete and accurate list, but it is possible that we've missed something..."