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View this release
Alternative links
STEP Format, released July 14, 2012
The DefDist AR-15 lower receiver is the first printable AR-15 lower receiver design introduced into the public domain. This is Defense Distributed's first printable release, prior to the Liberator.
Defense Distributed, a group run primarily by gunsmith Cody Wilson tested an AR-15 with a 3D-printed lower receiver firing off over 600 rounds, a unique feat in the realm of 3D-printed parts at the time. The part, called the AR Lower V5, worked nearly perfectly while firing 600 rounds and, as Wilson notes, “the test ended when we ran out of ammunition, but this lower could easily withstand 1,000 rounds.”
The final version, the v5, was used as the base for several other FOSSCAD designs in the early days of guncad.
The V1 AR-15 Lower Receiver was released July 14, 2012
The DefDist AR-15 lower receiver is the first printable AR-15 lower receiver design introduced into the public domain. This is Defense Distributed's first printable release, prior to the Liberator.
Defense Distributed, a group run primarily by gunsmith Cody Wilson tested an AR-15 with a 3D-printed lower receiver firing off over 600 rounds, a unique feat in the realm of 3D-printed parts at the time. The part, called the AR Lower V5, worked nearly perfectly while firing 600 rounds and, as Wilson notes, “the test ended when we ran out of ammunition, but this lower could easily withstand 1,000 rounds.”
The final version, the v5, was used as the base for several other FOSSCAD designs in the early days of guncad.
The V1 AR-15 Lower Receiver was released July 14, 2012
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