FILE - In this April 10, 2013, file photo, a man holds a newly-assembled AR-15 rifle in New Britain, Conn. A gun shop in McHenry, Ill., is raffling an AR-15 rifle to benefit victims of the June 12, 2016, nightclub shooting in Orlando, Fla. The semi-automatic weapon is similar to the one gunman Omar Mateen used in that shooting.
FILE - In this April 10, 2013, file photo, a man holds a newly-assembled AR-15 rifle in New Britain, Conn. A gun shop in McHenry, Ill., is raffling an AR-15 rifle to benefit victims of the June 12, 2016, nightclub shooting in Orlando, Fla. The semi-automatic weapon is similar to the one gunman Omar Mateen used in that shooting. Charles Krupa Associated Press
FILE - In this April 10, 2013, file photo, a man holds a newly-assembled AR-15 rifle in New Britain, Conn. A gun shop in McHenry, Ill., is raffling an AR-15 rifle to benefit victims of the June 12, 2016, nightclub shooting in Orlando, Fla. The semi-automatic weapon is similar to the one gunman Omar Mateen used in that shooting. Charles Krupa Associated Press