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A man used a 3D printer to "print out" a .22 lower receiver for an AR-15 pistol .22 cal upper.

As you all know, the lower is the part that is regulated by the ATF.

http://thenextweb.com/shareables/2012/0 ... ing-thing/

Topic already running here.

GOOD. Now we know where to get parts when the Dems finally get their way!

Mods, close this thread since there's already one running.