[QUOTE=DeVotchKa;52949899]Also i know of a lot of people out there that have made their own printers. It's certainly not easy, i'll agree, but plenty do it.[/QUOTE]
I made my first 3D printer in 2011, using plastic parts from another RepRap. I'm aware of the fact you can assemble and make one, and I've assembled several since [I]but[/I] legislation would be senseless regardless
[QUOTE=paindoc;52949943]I made my first 3D printer in 2011, using plastic parts from another RepRap. I'm aware of the fact you can assemble and make one, and I've assembled several since [I]but[/I] legislation would be senseless regardless[/QUOTE]
Yeah i was adding to your post, sorry if it came across like i was disagreeing with you.
[QUOTE=DeVotchKa;52950017]Yeah i was adding to your post, sorry if it came across like i was disagreeing with you.[/QUOTE]
its fine, this entire thread has mostly (for me) been about missing the point or gist :v:
[QUOTE=download;52949934]How about instead of dismissing my statement out of hand you go take a look. The fact you said "hand rifling" demonstrates you certainly have not.[/QUOTE]
Hand refers to anything done with hand tools/without power feeds. Nearly every homemade rifling video I've seen is some form of jig that uses some combination of screw ratios powered with a hand drill and a simplified boring head. Stuff like this:
[media]https://www.youtube.com/watch?v=twwQbpwZz9w[/media]
That's not a proper power feed. In a machine shop, that would still be "by hand." The obtainable tolerances with a setup like that are going to be lackluster. There's just too much screw backlash and general chatter between components to ever maintain proper concentricity or axial positioning. It also takes forever to do it that way. Yeah, it's a dirt cheap way to get threading, or in this case rifling, but it's also a dirt cheap way to make a gun that blows up in your face because you left a burr 8 inches down the barrel, or you went out of round.
Anyways, we're hopelessly off-topic by now. My initial point was that being concerned over 3D printing is stupid because the technology already exists to rapidly manufacture guns, and to do so relatively cheaply and largely autonomously. Certainly for far less than a 3D printer capable of making barrels currently costs.
Quiet a few folks have actually made their own forms of rifling devices. Clinton Westwood has the best in my honest opinion, but you also have stuff like the Homemade Weapons Channel:
[media]https://www.youtube.com/watch?v=_-2_oXmG390[/media]
Also in regards to making a barrel with 3d printed materials, I'd imagine you could make a hexagon rod with some of those metal plastics, and go from there. You really do not have to make the barrel with rifling in the 3D Printing process, the barrel's rifling can come down the road with other tools.
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