Three variations of the AR-15 rifle are displayed at the California Department of Justice in Sacramento, Calif., in a 2012 photo. On Sept. 19, 2019, Connecticut-based Colt’s Manufacturing Co. said it was suspending production of its version of the AR-15 for the civilian market.

Three variations of the AR-15 rifle are displayed at the California Department of Justice in Sacramento, Calif., in a 2012 photo. On Sept. 19, 2019, Connecticut-based Colt’s Manufacturing Co. said it was suspending production of its version of the AR-15 for the civilian market.