Now someone has found a much better use for 3D printing, than firearms,
http://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCsQtwIwAQ&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DuRmoowIN8aY&ei=FcGWVPLBA8XYaui6gNgL&usg=AFQjCNFY3RoYzuyTW80XB-cGLsLluEyHQA&bvm=bv.82001339,d.d2s
http://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCsQtwIwAQ&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DuRmoowIN8aY&ei=FcGWVPLBA8XYaui6gNgL&usg=AFQjCNFY3RoYzuyTW80XB-cGLsLluEyHQA&bvm=bv.82001339,d.d2s