 3's were ordered in .44 caliber by the Imperial Russian Army in 1871), and the "Schofield" model, named after Major George W. Schofield, who made his own modifications to the Model 3 to meet his perceptions of the Cavalry's needs.Smith & Wesson incorporated these modifications into an 1875 design they named after the Major, planning to obtain significant military contracts for the new revolver.The S&W Model 3 was originally chambered for the .44 S&W American and .44 Russian cartridges, and typically did not have the cartridge information stamped on the gun (as is standard practice for most commercial firearms).