PLEASE NOTE: - This is not an emotional post so please do not screw it up with bush lawyer knowledge and interpretations of the FCA.
As I am planning to do some serious 75 and 100 yards shooting I got myself an ITAC permit to import an action and a barrel. The barrel was .30 calibre. So in preparation for the import I wrote a letter to the DFO asking how to proceed as the calibre may be a problem. A colonel from the regional office contacted me and suggested that I should just go ahead and import the items. He did mention that I cannot build an air rifle with this barrel if it will be capable of shooting over the legal limit of 6 foot pounds / 8 Joules.
So I imported the barrel and action as per normal. There is no law that says that you cannot import barrels over 5.6 mm. It is also not illegal to posses barrels in the > 5.6 mm calibres as long as they are not in a rifle and capable of shooting higher that the legal limit.
So then here is the how to.:
I went to the my DFO armed with the application. Sorry no can do. I will first need to apply for a Notice of Change of Circumstances as it will show the origin of the barrel and it's other detail like a serial number. The purpose is to get the barrel placed on the firearms register. He suggested that I go to a registered gunsmith at Hi-Tech Arms in Benoni.
The gunsmith confirmed the barrel and serial number and gave me a "certificate" for R100. I then went back to the DFO who completed in the form.
So in some months time I will have my barrel's serial number loaded into the fire arms register and then I can apply for the licence as per normal procedure.