How does the federal Brady Act relate to Oklahoma's Self-Defense Act law?

The federal law is binding on all of the states. Part of the Brady Act lists conditions which prohibit persons from possessing any kind of firearm. Those conditions have been incorporated or tacked onto Oklahoma's law. Any person who has one of the following conditions may not possess a firearm, nor may he or she obtain an Oklahoma weapons license: (1) felons; (2) fugitives from justice (federal, state, or other country); (3) unlawful drug users or persons who are addicted to a controlled substance; (4) persons who have been committed to a mental institution; (5) illegal aliens; (6) persons discharged from the Armed Forces under dishonorable conditions; (7) persons who have been U.S. citizens but have renounced their citizenship; (8) persons who are presently under a domestic restraining order; (9) persons who have been convicted of a misdemeanor crime of domestic violence