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There are plenty of functional 3D printed AR-15 lower receivers. The upper receiver and barrel is where the explosion happens, and these are not restricted part
by snypher 7y ago
There are plenty of functional 3D printed AR-15 lower receivers. The upper receiver and barrel is where the explosion happens, and these are not restricted parts, or recognized as a firearm as such, so can be purchased freely and manufactured as a commercial product from eg. steel.
- djaque 7y agoOK, good point. Looking them up, it's effectively a fairly simple hunk of metal. However, they are restricted parts. It reminds me of a story from a friend about how strange some laws about gun registration are in the US. He was telling me of one model of gun which became restricted, but existing instances were grandfathered in. To get around this, before the ban went in place companies manufactured "unmachined lower recievers" which were literally just hunks of aluminum or steel with serial numbers on them. However, because they are registered firearms those specific chunks of metal are heavily regulated and can't be taken on planes without being locked up for instance.