The Cimarron 1851 Richards-Mason cartridge conversion revolver is a standout in the Cimarron Firearms lineup, combining the 1851 Richards-Mason models historical silhouette with modern .38 Special practicality, a six-shot cylinder and a 5.5-inch blued barrel that gives a balanced, controllable swing for cowboy action shooting, target work and living history events. With a case-hardened brass backstrap and trigger guard paired with a one-piece walnut grip, this Richards-Mason replica delivers authentic Old West styling while the blued finish and standard trigger and hammer deliver dependable performance on the range; shooters will appreciate the fixed sights for quick target acquisition and the 42.8 oz heft that dampens recoil for follow-up shots. As a cartridge conversion of the classic cap-and-ball design, the Richards-Mason series appeals to collectors and shooters who want period-correct ergonomics with modern ammunition compatibility, and the drilled-and-tapped designation of N/A keeps the lines clean for purists. Sold through FFL channels only, this revolver suits competitive shooters, reenactors and collectors seeking an historically inspired, reliable .38 Special revolver that reads and shoots like a piece of the Old West.