Outdoor Holding Co Formerly AMMO Inc is the owner of GunBroker.com, the online marketplace serving the firearms and shooting sports industries, and a vertically integrated producer of high-performance ammunition and components. It engages in the design, manufacture, and market of ammunition products in the Shooting sports industry in the United States. The firm's product segment comprises Ammunition and Marketplace. The Ammunition segment engages in the design, production, and marketing of ammunition and ammunition component products and the marketplace segment consists of the GunBroker.com marketplace. The company generates the majority of its revenue from the Ammunition segment.