Question: What is a family of United States automatic rifles (machine rifles) and light machine guns used by the United States, that were produced by a company at the former Stevens-Duryea factory that was originally constructed for car manufacturing in 1912?
Sentence (from "New England Westinghouse Company"): In order to produce the rifles, they purchased the J Stevens Arms & Tool Company in Chicopee Falls, MA on 1 July 1916 and acquired all its holdings which included firearms and tool manufacturing facilities, and the Stevens-Duryea automobile factory.
Relevant evidence: No