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
.320 Revolver .320 Revolver Also known as the .320 European or .320 Bulldog, this revolver cartridge was designed for the Webley Bull Dog pocket revolver in the 1870s and similar revolvers made in Belgium that followed. The round was manufactured until the 1920s and was briefly made by Fiocchi in 2015. In Brazil, both guns and ammo (double-barreled, side by side pistols) was made up to 1960s. Amadeo Rossi made his Model 8 "Garrucha" in .320 from 1950 to 1962. The .32 Short Colt was based on the .320 but had a different sized rim. On some guns the .32 Short Colt