Ten Ring Ammo is a widespread brand that provides ammunition for rifles, shotguns, and pistols. The company has expanded its market significantly during the past few years, partnering with Target Sports USA to distribute its ammunition. That being said, Ten Ring Ammo is actually made by Dynamic Research Technology. Dynamic Research Technology is a company that has partnered with numerous other companies to handle the manufacture of various lines of ammunition. In addition, Dynamic Research Technology produces lead-free ammunition, jacketed ammunition, and numerous other types of rounds.