A 12-, 16- or 20-gauge boxlock or sidelock double-barrel shotgun. Available in a variety of barrel lengths, with double triggers and automatic ejectors. Blued, with checkered straight stock. Sidelock version is worth approximately 20 percent more than values listed. Basic Model 3 was offered in a variety of grades featuring different amounts of engraving and better quality wood. These shotguns are listed under the model designations of 4 to 12E.