Smith & Wesson Model 539 nickel finish, 9mm, adjustable rear sight, 4" barrel, short extractor and checkered walnut grips. Model 539's are scarce as only 8000 total were produced. Of those 8000 manufactured, only 4000 total were made with nickel finish and only 400 of those have adjustable rear sights. Includes (2) 8-round magazines. Original box