Security chiefs launch urgent probe into plastic guns you can make at home on 3-D printers after MoS expose Reporter carried weapon capable of firing a live round onto Eurostar Pistol was produced using £1,700 machine to 'print' its components Security chiefs have launched an urgent inquiry into the threat posed by plastic guns produced on 3D printers. Following an exposé by The Mail on Sunday, the Home Office has ordered British Transport Police detectives to assess whether existing firearms legislation is robust enough. Reporters from this newspaper made a plastic gun in just 36 hours using a £1,700 3D printer. They then easily smuggled the weapon on to a Eurostar train. Expose: Reporter Simon Murphy was able to carry the 3D gun on the Eurostar to Paris National Ballistics Intelligence Service experts are believed to be testing the guns, which are capable of firing a live round. If they are deemed a viable weapon, firearms legislation will have to be amended, making it a criminal offence to possess or own one. A source said: "The fact almost anyone could have the capability to create their own firearm in their own home is of obvious concern." Printable: The pistol, capable of firing a deadly 0.38-calibre bullet, was produced in under 36 hours Security sources said Eurostar may look to bring in scanners similar to those used at major airports. The train operator said it was still investigating. The Home Office said: "Anyone wanting to manufacture or own a firearm, including one produced through 3D printing, would need a licence. Anyone manufacturing guns without a licence is liable for prosecution.