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Rocster · 03-01-2013, 09:51 PM

The DefenseDistributed guys with the 3d printed AR lower just made some good progress...their latest prototype did 600+ rounds with no failure with one extruded type, and a failure with a second one using a second different printing method..
The have pics & a video here:
Defense Distributed blog

They used a different ABS blend for the material and have added extra beef in areas where Ver. 1, 2 failed.

03-01-2013, 09:51 PM	#13 (permalink)
Rocster Gunco Regular Join Date: May 2006 Posts: 309 iTrader: 4 / 100%	The DefenseDistributed guys with the 3d printed AR lower just made some good progress...their latest prototype did 600+ rounds with no failure with one extruded type, and a failure with a second one using a second different printing method.. The have pics & a video here: Defense Distributed blog They used a different ABS blend for the material and have added extra beef in areas where Ver. 1, 2 failed. __________________ "To invent, you need a good imagination and a pile of junk." - Thomas Alva Edison \|> Military training/history DVDs: [Only registered and activated users can see links. ] Last edited by Rocster; 03-01-2013 at 11:08 PM..