Besides that they want to keep one of the last successful industries in the country alive: The gun makers. You will not see any change in that. And you will keep on seeing raising levels of paranoia so people keep on buying more guns and ammunition than they can reasonable use.
It's rather like walking, Qmark. One must take one step at a time. Register firearms, then take them.
I think Australia went through a similar process in the last 10 years or so.