Pietta 1851 Navy YAN36 Black Powder Revolver 36 Cal. The Model 1851 Navy Yank was considered one of the most brilliant single-action revolvers because of its quick draw and light recoil. 7 1/2" Barrel, Excellent Condition, Mfg 2022, Includes a Krist .38 Spl Conversion Cylinder S/N P149504 Black Powder Only, No Transfer Required