66185A Smith & Wesson K Frame Model 66 Trigger .310" Used .357 Magnum I Frame 357 Magnum S

357 Magnum S

265" Wide Trigger — Used

40 S&W only

Each component is carefully inspected to ensure proper fit and function

Essential component for revolver repair

66185A Smith & Wesson K Frame Model 66 Trigger .310" Used .357 Magnum I Frame 357 Magnum S66185A Smith & Wesson K Frame Model 66 Trigger . 310" Used Part . 357 Magnum (MIM) New Style 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 the serial # . If this is the case contact