9mm Para. 4" barrel length. SN: ABK8848. Blued metal finish with casehardened hammer and trigger mounting Smith & Wesson medallion checkered walnut grips. Double action hand ejector revolver featuring a six-shot cylinder with specially designed star-extractor intended to eject 9mm cartridges. Revolver mounts a heavy barrel with low profile matted front ramp and topstrap notch sights. Revolver features three screw construction with non-pinned barrel, transfer bar safety, and no internal safety lock. Markings include MOD. 547 on the internal frame with Smith & Wesson's monogram trademark on the left frame and four-line address to the right.