Sturm, Ruger & Company, Inc. is principally engaged in the design, manufacture, and sale of firearms to domestic customers. The Company's segments include firearms and castings. The firearms segment manufactures and sells rifles, pistols, revolvers, and shotguns principally to a number of federally licensed, independent wholesale distributors primarily located in the United States. The Company also manufactures and sells accessories and replacement parts for its firearms. The Company offers firearm products, under the Ruger name, in the following industry categories: rifles, shotguns, pistols, and revolvers. In addition, the Company offers lever-action rifles under the Marlin name and bolt-action rifles under the Glenfield name. The castings segment manufactures and sells steel investment castings and metal injection molding (MIM) parts. The castings and MIM parts are sold to outside customers, either directly or through manufacturers' representatives.