And Europe isn't free if I want to own a gun. See, I can also do a single-factor analysis and come out ahead!
That's the thing about a framework of freedoms. In anarchy, the strong will subjugate the weak, and thus only the strong are free.
Thus if we want to protect your right to not be shot, we need to prohibit someones right to shoot you, and in some societies that extends to your right to bare arms with actual positive outcomes behind it.
Th'at's not anarchy, that's libertarianism: maximal individual freedom at the expense of others. Coincidentally the system propelled by all big tech moguls, and half of the us political scene.
Anarchy is not the absence of rules, it is the absence of hierarchy. Contrary to what we have been fed since we were born, we don't need a hierarchy to function. Anarchy is the understanding that no human is above any other, and that we cannot live alone so we're just going to live together, agree together on rules, democratically (some say the only true democracy where everyone can express themselves on all topics and decisions are taken based on this) and with the collective wellness and joy as the compass.
Owning guns is a different story. In the US, it's actually easy to do. Austria and the Czech Republic are the closest to US average, and it's still significantly harder.
Also, most of the US has permitless carry. If you can own the gun, you can carry it, period.
Meanwhile you can easily get a gun in Scandinavia or Switzerland or Czechia.
Not a good example, to be honest.
Easily is doing a lot of work in that sentence.