The irony is the uk announced it this week. You''re still going to need a licence to own a supressor in the UK, but previously they had to be registered by serial number like guns and had to be transferred with paperwork if sold enabling the authorities to keep a track of them, but now they can simply be bought and sold like any other accessory with the proviso that the person who buys it needs to be a licensed individual to possess it. This is a big step down in regulation: