13145A Smith and Wesson K Frame Model 13 Bolt, Spring & Plunger Used 357 Magnum mp-shield-30sc swing out the cylinder and

swing out the cylinder and check the frame behind the yoke for the model number

Blue steel finish matches blued K Frame revolvers

Out-of-Battery Safety: The disconnector physically blocks the trigger from releasing the sear unless the slide is fully forward and locked

M&P 45 Compact M2

13145A Smith and Wesson K Frame Model 13 Bolt, Spring & Plunger Used 357 Magnum mp-shield-30sc swing out the cylinder and13145A Smith and Wesson K Frame Model 13 Bolt, Spring & Plunger Used 357 Magnum Blue Steel Used Please call or email with any questions! How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need with