Sturm, Ruger & Company, Inc., together with its subsidiaries, designs, manufactures, and sells firearms under the Ruger name and trademark in the United States. It operates through two segments, Firearms and Castings. The company offers single-shot, autoloading, bolt-action, and modern sporting rifles; rimfire and centerfire autoloading pistols; single-action and double-action revolvers; and firearms accessories and replacement parts, as well as manufactures lever-action rifles under the Marlin name and trademark. It also provides steel investment castings and metal injection molding (MIM) parts.