In 2004 the NRA successfully opposed renewal of the federal assault weapons ban of 1994, which banned many features of certain semiautomatic rifles and certain types of removable magazines, against a campaign to make the ban permanent and expand it. The ban expired at midnight, September 13, 2004. | In 2004 the NRA successfully opposed renewal of the federal assault weapons ban of 1994, which banned many features of certain semiautomatic rifles and certain types of removable magazines, against a campaign to make the ban permanent and expand it. The ban expired at midnight, September 13, 2004. |