Uberti 1873 Cattleman Frisco 4.75" BBL 45 Colt 356177 NIB. 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.”