South Carolina 18 U.S.C. Sec. 922(g)(1) POSSESSION OF FIREARM BY CONVICTED FELON is a federal law that makes it illegal for any person who has been convicted of a felony in any court of the United States or any state to possess any firearm or ammunition. The law applies to felonies that are punishable by imprisonment for more than one year, regardless of the sentence imposed. The law also applies to felonies that are punishable by imprisonment for less than one year, if the individual has been previously convicted of two or more such felonies. There are two types of South Carolina 18 U.S.C. Sec. 922(g)(1) POSSESSION OF FIREARM BY CONVICTED FELON: general possession and constructive possession. General possession occurs when a person has actual physical possession of a firearm or ammunition. Constructive possession occurs when a person has the power and the intent to exercise control over the firearm or ammunition, even if they do not actually have it in their physical possession.