I know people who are left leaning democrats and they’re for gun control. But gun control doesn’t solve the problem entirely.
The problem is the entire culture around guns and toxic ‘me and my gun and my truck’ self sufficiency culture in the US and the lack of a social net.
the uranium even if you can’t make a reactor
you can use it in sieges, in assassinations, you can have it sterilize your lord’s rivals so they can’t have kids without anyone knowing
you can make safeish samples using shielding, lead is readily available
you can expose fruit/vegetables so they keep better over the winter, killing bacteria
you can sterilize food and water, make it safer for consumption