Colt Dragoon Revolver as in the original book. 4. Flack, Jeremy "Rifles and Pistols" Florida:Sunburst Books, 1995. Colt Dragoon Revolver The Colt Model 1848 Percussion Army Revolver is a .44 caliber revolver designed by Samuel Colt for the U.S. Army's Regiment of Mounted Rifles. The revolver was also issued to the Army's "Dragoon" Regiments. This revolver was designed as a solution to numerous problems encountered with the Colt Walker. Although it was introduced after the Mexican–American War, it became popular among civilians during the 1850s and 1860s, and was also used during the American Civil War. The Colt Dragoon Revolver was produced with
William Mason (Colt) known as the .45 Colt. The revolver was chosen by the Army in 1872, with the first order shipping in the summer of 1873 for 8000 revolvers. After the success of the Colt Single Action Army and Colt's conversion of existing percussion revolvers to Richards-Mason conversions, Mason went on to design Colt's smallest revolver, "The New Line" in 1874. There were 5 variants, each differing in size and caliber, but all using a breechblock designed by Mason. While Colt had first developed the concept of a "double-action" revolver as early as 1857 and a patent was filed, it was never