Scotus rules 2nd amendment is an individual right

Recreation. Each state is different Missile launchers I highly doubt. Even if they were, they would be quite cost prohibitive.Grenades are though as are grenade launchers. In NM I think you have to have a gunsmithing licence and be registered with your nearest sheriff office to have weapons of a certain class like those with explosive munition and fully automatic weapons.

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Of course, biblical creationists are committed to belief in God's written Word, the Bible, which forbids bearing false witness; --AIG (lest they forget)

In terms of the most destructive thing you can own.I believe in most cases the limit is in the definition of "arms" which varies but is limited in general to something a single person can physically carry.Nukes are specifically limited and regulated to the Department of Energy.Warplanes, tanks, ships, etc are not considered arms AFAIK. Similarly, you couldn't own something like a mortar setup that takes 2 people to operate even though you could likely get a carry weapon that has just as much firepower.

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Of course, biblical creationists are committed to belief in God's written Word, the Bible, which forbids bearing false witness; --AIG (lest they forget)