三次元プリンタ（3D Printer）で狙撃用ライフル銃を製造可能？

下記の記事が出ている。

　The assault rifle you can make at home: Inventor of 3D printed plastic gun reveals $1200 'ghost gunner' milling machine to manufacture unlicensed rifles
　Daily Mail: 3 October, 2014
　http://www.dailymail.co.uk/sciencetech/article-2779924/The-assault-rifle-print-home-Inventor-3D-printed-plastic-gun-reveals-1200-ghost-gunner-milling-machine-manufacture-unlicensed-rifles.html