Sturm, Ruger & Company, Inc. and subsidiary, is engaged in the design, manufacture and sale of firearms to domestic customers. The Company operates through two segments: firearms and castings. The firearms segment manufactures and sells rifles, pistols and revolvers to a range of federally licensed, independent wholesale distributors located in the United States. The castings segment manufactures and sells steel investment castings, and metal injection molding parts. Its castings segment provides castings and MIM parts for the Company's firearms segment. In addition, the castings segment produces some products for various customers in a range of industries. It offers products in three industry product categories: rifles, pistols and revolvers. Its firearms are sold through independent wholesale distributors to the commercial sporting market. It manufactures and sells investment castings made from steel alloys and metal injection molding parts for internal use in the firearms segment.