Matt@atthatmatt·Dec 9, 2021This is a 3D printed carbine in the wild. https://twitter.com/CtrlPew/status/1469064382583914499…This Tweet is unavailable.14
Venkatesh Rao@vgrReplying to @atthatmattHow do they make the high stress part like the barrel?10:54 PM · Dec 9, 2021
Matt@atthatmatt·Dec 9, 2021Replying to @vgrThey just use a normal gun barrel. I believe the killer app in 3D printed guns is printing the receiver, which is the controlled, serial numbered, and most complex to machine part.11
Yoko52@Chrono52·Dec 10, 2021Replying to @vgr and @atthatmattECM, you pass highly charged saltwater through barrel length tubing around a 3d-printed jig that carves out the rifling in the barrel.1