You can buy all those parts online without registration. The only thing you can’t buy is the receiver, which can be manufactured at home very easily. That’s the part that houses the trigger and connects the barrel, etc.
Obviously, the more advanced the gun gets, the more difficult it is to make, but a single shot could be made with stuff from the hardware store.
You can buy all those parts online without registration.
True, but I think this is more about the wider world outside of America.
Can you buy all those parts online in Europe? Or in Japan? I'm in the USA, so I don't actually know, but I would assume they would have tighter controls on that sort of thing.
A gun is stupid simple: it's a machined piece of pipe, something to strike the firing cap on the bullet, a trigger, and some sort of receiver.
Nothing you can't build out of parts from your local home supply store, if you really felt like it.
3d printing makes a couple of parts of building one easier, but it's certainly not required since we've had 3d printing for about 10 minutes, and been building guns for hundreds of years.
The FGC-9 (Fuck Gun Control 9) is designed with European laws in mind, and is amongst the most widespread design out there. Most notably used in the ongoing Myanmar civil war by rebels.
I've seen designs that only have one metal component a nail. There's several 22lr designs that use entirely printed barrels. They won't last as long and need to be designed around the material qualities, but do function safely.
There's also a few designs that can be made with parts from hardware stores without any particularly expensive machinery (like mills or lathes). People can even rifle barrels at home through electro-chemical machining which isn't as complicated as it sounds.
Na they have materials to 3d print receivers. Here is a link to the most common material types used. (Not sure why the url calls for suppressors the article is about lower receivers.)
I don't think you are going to be able to fire off 100rd drum magazines out of a 3d printed AR receiver but they definitely work, I've shot one with 30rd magazine. It was like anyother gun, the barrel was hot but the receiver and body were seemingly unaffected.