Sturm, Ruger & Co., Inc. engages in the design, manufacture, and sale of firearms to domestic customers. It operates through the Firearms and Castings segments. The Firearms segment manufactures and sells rifles, pistols, and revolvers principally to a number of federally-licensed, independent wholesale distributors primarily located in the United States. The Castings segment manufactures and sells steel investment castings and metal injection molding parts. The company was founded by William B. Ruger in 1949 and is headquartered in Southport, CT.