Reply #48: There is all kinds of precedent for states doing that [View All]

[slackmaster]

For example, California has its own set of emissions standards for cars. I'm not sure this is still true, but for a long time car manufacturers made two versions of their products, one for CA and another for the other 49 states.

Fireworks can be sold in many states, but not in California because of fire danger here. Same is true for tracer ammunition.