Sen. Roger Wicker, appointed to fill the term left vacant with the resignation of Trent Lott in 2007, has been endorsed by the National Rifle Association Political Victory Fund.

Wicker, a Republican, is running in a special election Nov. 4 to fill the remaining four years of the term. He is challenged by Democratic nominee and former Mississippi governor, Ronnie Musgrove.

Chris Cox, chairman of the NRA-PVF, cited Wicker's record of commitment to the Second Amendment as reason for the endorsement.