(March 25, 2013 at 10:39 pm)popeyespappy Wrote: All you need to make the same lower receiver out of metal is an aluminum block, a drill press, a cross slide vice, a few bits and those plans. You don’t have to be Tony Stark either, but someone that knows what they are doing could easily turn one out in a day.
the printer can produce 2-4 of the same parts in 7 hours - which is faster.
the material (plastic) is also cheaper and nott as easily dedectable.