Replica Cavalry 45 Peacemaker Revolver USA 1873Replica Revolver reproduction 4,75" made of metal and wood, with simulated mechanism of charge and firing and rotating drum. History of the Peacemaker also known as Frontier or Widowmaker The Peacemaker revolver, also known as Single Action Army (SAA), was designed by Samuel Colt in 1873 and it was manufactured with different lengths of cannon: the short, 4. 75 inch version, the longer versions 5. 5 and 7. 5 inch, or The imposing 12 inch