Re: "no requirement of 'registration' for deactivated firearms"
"It is impossible to know if any given firearm has been deactivated or not without a reasonably close inspection. As a result it would be all too easy for someone to carry out a robbery with a deactivated firearm without the victim knowing that the firearm was incapable of actually firing anything and thus not putting up any sort of resistance because of a perceived increased chance of being shot."
By that logic, the same ought to apply to replicas too. Does it? I have no idea. I'd imagine most people in the UK have not seen a real gun up close and could be quite easily fooled if anything resembling a gun was waved in their face in a threatening manner and believe it to be a real gun.