Five-shot single-action revolver with 2.75"" barrel. Bore is good with good rifling. Action works correctly and locks up and indexes on time. Barrel marked "" Pat. April 6 1875."" This revolver is factory engraved with a style that has come to be referred to as ""Western Engraving,"" and is found on many revolvers that were sold in hardware and general goods stores out west. Overall a fine revolver.