3D Printed AR-15 Rifle Receiver Fires Six Live Bullets

3d printed AR15 partDefense Distributed, the folks behind the Wiki Weapon project, have achieved a new milestone. Following the repossession of their Stratasys Mojo 3D printer, the intrepid group has soldiered on in their quest to produce the world’s first 3D printable firearm. In the following video Defense Distributed takes a a 3D printed lower receiver for an AR-15 rifle out to the firing range. The weapon fires six rounds before breaking.

The design used is from MakerBot’s free public repository for 3D models, the Thingiverse. The “Reinforced AR-15 Lower Receiver” model was produced by user HaveBlue, but had not actually been tested as a part of a gun before.

While perhaps not performing up to the standards Defense Distributed had hoped, the test firing of this part has led the group to gather invaluable data for use in refining the design.

Two weeks ago, Defense Distributed applied for 501(c)(3) tax exemption status. According to Wikipedia, 501(c)(3) exemption applies to “corporations, and any community chest, fund, cooperating association or foundation, organized and operated exclusively for religious, charitable, scientific, testing for public safety, literary, or educational purposes, to foster national or international amateur sports competition, to promote the arts, or for the prevention of cruelty to children or animals.” Organizations operating under 501(c)(3) status are frequently referred to as “Friends of…”

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