Colt Walker Colt Walker The Colt Walker, sometimes known as the Walker Colt, was a single-action revolver with a revolving cylinder holding six charges of black powder behind six bullets (typically .44 caliber lead balls). It was designed in 1846 as a collaboration between Captain Samuel Hamilton Walker and American firearms inventor Samuel Colt. The 1847 Colt Walker was the largest and most powerful black powder repeating handgun ever made. It was created in the mid-1840s in a collaboration between Texas Ranger Captain Samuel Hamilton Walker (1817–47) and American firearms inventor Samuel Colt (1814–62), building upon the earlier Colt Paterson design. Walker
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