.41 Magnum. 4" barrel length. SN: N705891. Blued metal finish with casehardened hammer and trigger mounting Smith & Wesson medallion walnut grips. Double action hand ejector six-shot revolver mounting adjustable target rear and matted front ramp sights. Item features a pinned barrel and recessed cylinder on a three screw frame. Revolver mounts a wide hammer and trigger. Standard make and model markings applied overall with the inner frame showing a MOD. 57 mark without dashes below the serial number.