66159 Smith & Wesson K Frame Model 66 Side Plate & Screws .357 Magnum 4586 Genuine Smith & Wesson factory

Genuine Smith & Wesson factory rebound slide assembly for the J Frame Model 637 Airweight revolver

This complete cylinder features a durable blued finish that matches original factory specifications

Part Number: 239420000

09" rear adjustable sight assembly

It is not interchangeable with other J Frame models without gunsmith verification

66159 Smith & Wesson K Frame Model 66 Side Plate & Screws .357 Magnum 4586 Genuine Smith & Wesson factoryPart# 66159 Smith & Wesson Revolver K Frame Model 66 Side Plate & Screws Stainless Steel Old Style Used Part 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