Oklahoma Unlawful Possession of a Firearm is a criminal offense in the state of Oklahoma that occurs when an individual possesses, transports, sells, or manufactures a firearm without a proper license or permit. This offense may include the possession of firearms in locations prohibited by law, such as a school, courthouse, or public building. There are three types of Oklahoma Unlawful Possession of a Firearm: possession of a firearm by a convicted felon, possession of a firearm without a license, and possession of a firearm without a permit. Possession of a firearm by a convicted felon is a felony offense that carries a maximum term of imprisonment of up to nine (9) years and a fine of up to $5,000. Possession of a firearm without a license is a misdemeanor offense that carries a maximum term of imprisonment of up to one (1) year and a fine of up to $500. Possession of a firearm without a permit is a misdemeanor offense that carries a maximum term of imprisonment of up to one (1) year and a fine of up to $500.