technology. specifically, new emerging technology.
you really don't need a steel plant and heavy machinery to make most of a gun anymore. pretty much, just the barrel, the bolt and the barrel extension for those types of gun. other metal parts can be made w/ sintered metal, and soon, computerized "printing."
carbon. plastics. resins. plastic injection molding stuff. and, soon ceramics, as tough & shock resistant as steel.
look at this website; a quality appearing lower receiver for an ar-15 for $49.00. www.americantactical.us . go there, it's interesting.
and, look at the links below. quite fascinating, what you can make with this stuff. and, it spits out a fully formed part, no needing for "touch up" machining, about every 7 or 8 seconds.
john jay @ 12.13.2012
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