S&W Model 27

The Smith & Wesson Model 27 is the original .357 Magnumrevolver. It was first produced in 1935, and many versions of it are still in production today. The Model 27 was built on Smith & Wesson's carbon steel, large N-frame, and was available at various times with 3​1⁄2", 4", 5", 6" or 8​3⁄8" barrel lengths and had adjustable sights.