What's in the Box Uberti 1873 Cattleman 45 Colt Single-Action Revolver with Charcoal Blue Finish Cable Lock Owner's Manual In 1873, Colt s single-action Army (SAA) revolver became the Army s standard sidearm. Cavalry troopers were armed with the new revolvers. Lawmen and outlaws alike were quick to adopt the handy new 6-shooter which earned the nickname Peacemaker. Firearm Specifications Manufacturer: Uberti Model: 1873 Cattleman Charcoal Blue Caliber: 45 Colt Barrel Length: 5.5" Overall Length: 11 Finish: Charcoal blue Cylinder: 6-shot, fluted Number of Grooves: 6 Twist: Right Weight: 2.3 lbs. Grip: 1-pc walnut