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printed gun

'HaveBlue,' reportedly engineer Michael Guslick, posted this image a gun he printed the key components for on his blog. (credit: haveblue.org)

Man Claims To Have Made Functional Assault Rifle Using 3-D Printer

The AR-15 is the same kind of rifle James Holmes is alleged to have used to carry out the worst mass shooting in U.S. history during a showing of “The Dark Knight Rises” in Aurora, Colo.

08/01/2012