“On Monday, with little fanfare and less comment — primarily because none was needed — Defense Distributed unveiled a 3D-printed lower receiver for an AR-15 that stood up to hundreds of rounds of fire. Succinctly, the video on Youtube was accompanied by the statement, ‘Does not fail from firing stresses. 600+ rounds.’ Just as important, and the purpose of all this effort, the group made plans for the receiver formerly http://defcad.org/defdist-ar-15-lower-receiver/ available for download by all and sundry at DefCad. Defense Distributed’s video and 3D printer plans are a clever and powerful blow to politicians’ efforts to restrict Americans’ abilities to own the means of self-defense.”
http://reason.com/blog/2013/02/27/gun-control-laws-increasingly-irrelevant
