That is what the 9th circuit said today when it ruled that California’s ban on standard capacity magazines was not an unconstitutional taking.
Accordingly, the ban on legal possession of large-capacity magazines reasonably supported California’s effort to reduce the devastating damage wrought by mass shootings
and as far as the ban being a violation of the takings clause:
the government acquires nothing by virtue of the limitation on the capacity of magazines.
Therefore, they didn’t take anything. The Australians were disarmed in 1996. By 2020, nearly all guns were confiscated. This was the result:
Two months later, and the military began taking Australians off to the camps:
The courts are not going to come to our rescue. There will soon be only two choices: Fight, or be taken away to the camps for our own safety.