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Colt Navy Model 1861 Richards Mason Conversion .38 cal The revolver was chosen by the Army in 1872, with the first order shipping in the summer of 1873 for 8,000 revolvers. [ 4 ] 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 ...
The Colt 1860 Army uses the same size frame as the .36 caliber 1851 Navy revolver. The frame is relieved to allow the use of a rebated cylinder that enables the Army to be chambered in .44 caliber. The barrel on the 1860 Army has a forcing cone that is visibly shorter than that of the 1851 Navy, allowing the Army revolver to have a longer cylinder.
Another rarity in the 1851 Navy production is the .40-caliber model, only 5 were made in 1858 for testing by the U.S. Navy Bureau of Ordnance. Identifying features of the First Model Squareback (Serial 1 to ~1250) are the wedge screw beneath the wedge and the wedge notch on top of the cylinder pin (Photo Serial No. 2).
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]
With the exception of the first fifty or so of this model, all guns had a capping groove. A brass trigger guard and back strap, silver-plated, were standard. The cylinders of the Navy 1851 and 1861 Navy Colt revolvers are engraved with a scene of the victory of the Second Texas Navy at the Battle of Campeche on May 16, 1843.
The frame of early Open Top revolvers were marked COLT'S/PATENT, later models sported the so-called "Two July" patent marking, also found on the 1851 Navy-, 1861 Navy- and 1860 Army-conversion revolvers. The "Two July" patents were also found on very early Colt Single Action Army revolvers.
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 ...
The .38 Short Colt, also known as .38 SC, is a heeled bullet cartridge intended for metallic cartridge conversions of the cap and ball Colt 1851 Navy Revolver from the American Civil War era. [ 1 ] Later, this cartridge was fitted with a 0.358-inch (9.1 mm) diameter inside-lubricated bullet in the 125–135 grains (8.1–8.7 g) range.