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Those converted revolvers are identified as the "Richards-Mason conversion". [3] After working on these conversions, Mason began work on Colt's first metallic cartridge revolvers in 1871: the Colt Model 1871-72 "Open Top" revolver was the third such pistol, following the .41 caliber House Pistol and the .22 caliber seven-shot Open Top. The Open ...
The first metallic cartridge revolver made by Colt was the Thuer-Conversion Model Revolver, a design that would not require a cylinder with cylindrical chambers so as not to infringe on the Rollin White patent. A small number (about 1000–1500) of Model 1851 Navy revolvers were converted, using front-loaded, slightly tapered cartridges to fit ...
In 1873 Colt performed the same conversion on the M1851 and M1861 revolvers for the US Navy in .38 rimfire. [6] Along with William Mason he was granted patents from 1871 to convert percussion revolvers into rear-loading metallic cartridges revolvers. Those converted revolvers are nowadays identified as the "Richards-Mason Conversion". [7]
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 first Double-action revolver, the Colt M1877. Following this, he once again teamed up with Richards to produce a larger-framed version, the Colt M1878 Frontier. It was Colt's first ...
After the expiration of the Rollin White Patent (Apr. 3, 1869), a number of Navy 1861 and its forerunner, the Colt 1851 Navy Revolver were converted or newly made to fire .38 rimfire or centerfire cartridges, the Colt Model 1861 Richards- Mason Conversion by the Colt factory.
The .44 Colt was made for use in the Richards-Mason conversion of Colt's 1860 Army percussion revolver. [1] The conversion process involved boring through the chambers of the obsolete cap and ball revolvers and adding a breech-plate with a gated loading port to enable them to chamber centerfire metallic cartridges.
In 2005 and 2006 Cimarron's Richards-Mason 1851 Navy Conversion won the category for Best Cartridge Conversion Revolver Reproduction [32] [33] In 2004 their 1860 Richards-Mason Army conversion won the same category and the company's Model 1873 Single Action Army won Reader's Choice for Best Single Action Army Reproduction, [34] Cimarron took ...
The family of Colt Pocket Percussion Revolvers evolved from the earlier commercial revolvers marketed by the Patent Arms Manufacturing Company of Paterson, N.J. The smaller versions of Colt's first revolvers are also called "Baby Patersons" by collectors and were produced first in .28 to .31 caliber, and later in .36 caliber, by means of rebating the frame and adding a "step" to the cylinder ...