A newly assembled AR-15 rifle at the Stag Arms company in New Britain, Conn, in this file photo from April 10, 2013.
A newly assembled AR-15 rifle at the Stag Arms company in New Britain, Conn, in this file photo from April 10, 2013. Charles Krupa AP File
A newly assembled AR-15 rifle at the Stag Arms company in New Britain, Conn, in this file photo from April 10, 2013. Charles Krupa AP File