I understand that it almost takes your hand off too, which I must confess I do want to try!
Thanks everybody for all the reasoned replies. It would appear that there are as many interpretations as there are people to interpret the bl00dy Firearms Act which is what I suspected! Still, at least we are not alone down here in the Wid West and if we have to have individual Firearms Certificates, I just hope Osama Bin Laden does as well!