DUBLIN, Georgia (41NBC/WMGT) — A 41-year-old Dublin man has been sentenced to 56 months in federal prison after pleading guilty to possessing a firearm as a convicted felon. According to a news release from the U.S. Attorney’s Office for the Southern District of Georgia, Antonio Lamar King also received a $1,500 fine and will serve three years of supervised release after completing his prison sentence. The release says Dublin police found King w…