Cimarron 1851 Richards Mason CA925 38 SPL 7.5″ Barrel Revolver

SKU: 51 R-Mason Categories: , Tags: , , , Brand:


Cimarron FA Co.

Cimarron’s 1851 Richards Mason CA925 conversion in is ideal for Cowboy Action competitors as well as nostalgic gun buffs alike. The Army model, was copied from an original pistol, sports a standard blue finish and .38 Colt/Special with a 7.5-inch barrel. The Cimarron’s Navy model wears a Black finish. Both models are offered in a choice of .45 Colt, .44 Colt and Russian, .38 Colt Special, or .45 Schofield caliber, and in either a 5 1/2-inch barrel or the 8-inch barrel length.

This quality reproduction of the 1851 Richard Mason revolver has a color case hardened frame with brass backstrap and trigger guard one piece walnut grip and standard blue finish.

History of the Cartridge Conversion Revolver

Patented July 2, 1872, Colt employees Charles B. Richards and William Mason, combined their ideas for converting Colt’s percussion revolvers to self-contained metallic cartridge, breech loading arms. Originally working with the percussion arms parts already in stock, guns were converted, however as they began to run out of the cap and ball components, the company began producing new sixguns as metal cartridge arms, rather than conversions. Although the numbers produced only amounted to a few thousand specimens around 2,100 1860 Army models and about 3,800 1851 Navy models. EL Paso’s city marshal Dallas Stoudenmire packed a cut down Richards-Mason Army Colt. and John H. “Doc” Holliday packed a ’51 new-made Navy model. Today’s shooters enjoy the looks and handling capabilities of these conversion revolvers that combine the sleek lines of percussion revolvers with the convenience of self-contained cartridge sixguns due to the high cost and scarcity of originals.

1851 Richards Mason CA925 Specifications:

  • Mfg. Item #: CA925
  • Model: 51 R-Mason
  • Style: Cartridge Conversion
  • Barrel Length: 7 1/2 in.
  • Caliber: 38 spl.
  • Weight: 2.83 Lbs.
  • Frame: Case Hardened Brass B/S – T/G
  • Grip: 1 Piece Walnut
  • Finish: Standard Blue


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