66159 Smith & Wesson K Frame Model 66 Side Plate & Screws .357 Magnum 4586 8-round capacity with black polymer

8-round capacity with black polymer base plate for reliable feeding and durability

09" rear adjustable sight assembly

357 Magnum stainless (Distinguished Combat Magnum)

Blade Height Reference: The

66159 Smith & Wesson K Frame Model 66 Side Plate & Screws .357 Magnum 4586 8-round capacity with black polymerPart# 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