[Texaggie79]

We can reasonably regulate use/storage of nuclear/biological/chemical materials, [much is privately owned] but we can't constitutionally prohibit possession.

Then how is it that I am prohibited from buying a nuclear weapon?

[Mojave]

You would have to store it away from the water heater pilot light.

[tpaine]

Texaggie79 wrote:

Then how is it that I am prohibited from buying a nuclear weapon?

Are you? Let's say you own an isolated island in the middle of the Pacific. -- Cite the Constitutional prohibition that applies.