1873 Single-Action Cattleman El Patro;n Lightning fast and reliable, shot after shot, you can depend on Uberti&';s hand-tuned Cattleman model. In the world of single-action revolvers, it is truly the boss, or El Patro;n, as the Vaqueros of the Old West would say. Specifications Caliber or Gauge .45 Colt Barrel length (Inches) 4.75" Chamber (Inches) - Choke - Product Type Revolver Model Number - 345174