If one had a felony set aside vacated and dismissed 40 years ago can they own a firearm?

In general, if a felony conviction has been set aside, vacated, or dismissed, it may restore an individual's rights, including the right to own a firearm. However, laws can vary significantly by state, and some jurisdictions may have specific regulations regarding firearm ownership even after a conviction has been vacated. It's crucial to check the local laws and, if necessary, consult with a legal expert to understand the implications for firearm ownership in that particular state.