10 Reasons Why 3D Printed Guns Aren’t Coming to Town 1) Bullets. Congratulations you just printed your first gun, it’s just a shame you can’t get your hands on any bullets. You’ll need a gun licence to legally buy bullets in the UK and many other countries. That or you’ll have to ‘know a guy’ that can get them for you because you certainly can’t print bullets. 2) One hit wonder. You might have noticed…"10 Reasons Why 3D Printed Guns Aren’t Coming to Town"