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by sheikhnbake 60 days ago
3D gun printing has come a long way in a short amount of time. 3D printed lower receivers can weather several hundred rounds of 7.62 at this point
3 comments

You can easily go through a couple hundred rounds in one visit to the range.
>You can easily go through a couple hundred rounds in one visit to the range.

Range shooting is not what they're trying to legislate though.

Whoever killed that healthcare CEO didn't need a hundred rounds.

This legislation is insanely, horrendously bad and harmful, but "3D printed gun components are useless" isn't a solid argument against it. They're useful enough.

The real arguments, as others said, are:

1. You can achieve much more already without 3D printers

2. The legislation won't achieve its stated objective as any "blueprint detector" DRM will be trivial to circumvent on many levels (hardware, firmware, software)

3. Any semblance of that DRM being required will kill 3D printing as we know it (the text of the law is so broad that merely having a computer without the antigun spyware would be illegal if it means it can drive a 3D printer)

> Range shooting is not what they're trying to legislate though.

It's the thing gun manufacturers are selling to their customer base though. The theory was they were lobbying for this to prevent competition, but it's not good enough to actually compete with them.

> Whoever killed that healthcare CEO didn't need a hundred rounds.

Luigi Mangione didn't have a criminal record. Given his apparent political alignment, he presumably used 3D printed parts for trolling purposes since there was no actual need for him to do so. He could have bought any firearm from any of the places they're ordinarily sold.

>It's the thing gun manufacturers are selling to their customer base though. The theory was they were lobbying for this to prevent competition

Does anyone actually believe this? Is there any funds for this theory?

Seems to be too far fetched to be even worth sitting.

>Luigi Mangione didn't have a criminal record

That really isn't the point (he still doesn't have a criminal record, by the way).

The point was that the stated danger of 3D printed guns is their use by criminals for criminal purposes, not economic competition to established gun manufacturers.

> The point was that the stated danger of 3D printed guns is their use by criminals for criminal purposes, not economic competition to established gun manufacturers.

I guess the counterpoint is that it's not actually useful to criminals either, so there is no incentive for any non-fool to want laws like this and then all incentive arguments are weak because foolishness can be attributed to anyone.

Luigi Mangione wasn't trying to get caught. Maybe he was worried buying and using a real gun would link him back to the murder.
Let's review the three possibilities here.

One, you succeed in never being identified or apprehended. Consequently you, rather than the police, have the gun you used, and you can file off the serial number and throw it into the sea or whatever. They don't know who you are so they never come looking for the gun you no longer have and it's just one of millions that were sold to random people that year.

Two, you get caught before you do the murder. Some cop thinks you look too nervous or you get into a car accident on the way there etc. and they find the gun. Having one without a serial number at this point means you're in trouble when you otherwise wouldn't be. It's a disadvantage.

Three, they catch you in the act or figure out who you are because your face got caught on camera somewhere after you took off your mask etc. At this point it's extremely likely you're going to jail. This is even more likely if the weapon is still in your possession because then they can do forensics on it, and it not having a serial number at that point is once again even worse for you. This is apparently the one that actually happened.

Whereas the theory for it allowing you to get caught would have to be something like, they don't know who you are but they have a list of people who bought a gun (which, depending on the state, they might not even have) so they can look on it to find you. But that's like half the US population and doesn't really narrow it down at all.

There is no criminal benefit in doing it so that leaves the remaining options which are either trolling or stupidity.

If he's a suspect but not confirmed, they'd know if he purchased a real gun, and a ballistics test would confirm it matches the bullet. Conveniently "losing" it would raise suspicion too. Or if that's not why, there has to be some reason people make ghost guns in general.
It comes back the same thing, there is zero evidence that gun manufacturers are lobbying for this while Everytown is very publicly and proudly announcing that they are pushing this exact legislation.
True. I used to do it regularly.
That makes it useful for a hobbyist, but it is by no means a replacement for a properly manufactured lower.
Depends on what the intended use is. 3DP firearms have proliferated internationally and have been used against conventional militaries. Agreed they aren't a replacement, but practical use cases exist.
Hobbyist or not, this makes it useful for getting guns (and other gear) from other people.
What I'm saying is that no one is going to build a lower in this manner for a firearm chambered in 7.62 and do anything useful/important with it. Maybe the cartridge size here is a distraction, idk, but this isn't a specification that I would consider common and/or useful for 3D printing a firearm. Even if your nominal intent is just to "finish" a gun with parts you have laying around, it's not going to be something that's consistently reliable.
I mention 7.62 specifically because most folks not familiar with 3D printed firearms are unaware that such a thing is even possible.

9mm 3DP guns have hit the news cycle repeatedly, less so for higher power cartridges. IIRC, there's a .50 BMG project well underway.

You call these project[s], which I think is very accurate for the higher power cartridges. You sound like you've seen a lot of the videos of 3D printed firearms, and from what I can tell they cluster around 9mm and 5.56. There's probably multiple reasons for that, one of which is that those round sizes are more widely available and cheaper, while another is that it is going to be easier to do than something with higher power. So to maybe simplify my point, the technical challenges and inherent safety issues on 7.62 are higher. Thus, projects they shall remain.
At this point with a 5,000 round endurance for a plastic AK receiver, I think it's fair to say the 'project' has reached maturity. Especially when this is all completed on entry level printers
Look up the WW2 FP-45 Liberator. A bad gun you could use to get a better gun. Theoretically you only need to use it once.

https://en.wikipedia.org/wiki/FP-45_Liberator

I highly doubt that anyone who 3d prints a lower does so to “use” it (I.e. shoot someone) in order to procure a better firearm.
The FGC-9 was used extensively in Myanmar for that exact purpose. The rebels would set up ambushes with FGC-9's and recover better firearms for future use

https://en.wikipedia.org/wiki/FGC-9#Users_and_use

I would think they just print multiple guns and switch if one breaks.
Can you not imagine any motives that a person could have for printing a gun where they don't care about long term reliability?
Sure, I can imagine any number of motives and Rube Goldberg mechanisms for procuring a firearm to service that motive. My point is that if someone who is desperate to get a firearm has to 3D print one they’re going to pick a simple pistol lower. Not something for a rifle that fires a higher power cartridge. Most rifles that fire 7.62 are not in the AR format.
You don't think someone like Oswald exists in the present day?
I stand corrected, the Plastikov V4 has endured 5,000 rounds
It looks like a Plastikov uses a lot of metal Kalashnikov parts that you'd need to get from a kit or machine yourself or something, so I don't think it's really fair to call that gun a 3D printed gun. It uses printed parts, but the barrel, trigger, etc... aren't printed.
That's the entire point. The only federally regulated part that requires a background check is the receiver, which can be made on entry level printers by virtually anyone that can read.