1Sturm, Ruger & Company, Incorporated is a Fairfield, Connecticut-based firearm manufacturing company, better known by the shortened name Ruger. Sturm, Ruger produces bolt-action, semi-automatic, full-automatic, and single-shot rifles; shotguns; semi-automatic pistols; and single-action and double-action revolvers. Ruger is the fourth largest firearms manufacturer in the United States, and the only one producing firearms in all four market segments: rifles, shotguns, semi-automatic pistols, and revolvers.