Ar15.com user [HaveBlue] has been working for some time on a 3D printed lower receiver, and now reports that the parts are fully working. Using a Stratasys 3D printer from the 90’s [HaveBlue ...

Consumer 3D printing has recently been enabled ... I decided to put that question to the test by constructing a rifle based on the popular AR-15 platform, a semiautomatic version of the automatic ...