AR-15 rifles like this one on display at a gun shop in Wendell, N.C., are the weapon of choice for killers in mass shootings, including the recent massacre at a Parkland, Fla., high school in which 17 people were killed.
AR-15 rifles like this one on display at a gun shop in Wendell, N.C., are the weapon of choice for killers in mass shootings, including the recent massacre at a Parkland, Fla., high school in which 17 people were killed. Chuck Liddy (Raleigh, N.C.) News & Observer file photo
AR-15 rifles like this one on display at a gun shop in Wendell, N.C., are the weapon of choice for killers in mass shootings, including the recent massacre at a Parkland, Fla., high school in which 17 people were killed. Chuck Liddy (Raleigh, N.C.) News & Observer file photo