Thats where you wind up loosing your gun.
If its above 12ft/lbs the gunsmith is required by law to confiscate the gun if you dont have it on a valid FAC.
So get them to fit it, just to be safe, if they fit it, they will test it and alter it before they give it to you, making it legal. If you give it to them and its illegal, its gone as you are in possetion of a FAC rifle without the FAC. You break the law, daft, but thats how it is now
Slightly different, but same consequence:
A guy, found a sawn off 12 guage, that had been thrown over his garden wall by someone who had used t