Smith & Wesson Used K Frame Model 10-3 Rebound Slide Assembly - K323 n57u Product Features:

Product Features:

Compatibility: K Frame Model 18-4

Smith & Wesson K Frame Model 18 Rebound Slide Assembly

You should see "637" or a dash variant like "637-1"

Smith & Wesson Used K Frame Model 10-3 Rebound Slide Assembly - K323 n57u Product Features:Used OEM rebound slide assembly pulled from a Smith & Wesson K Frame Model 10 3. The rebound slide returns the trigger forward after each shot, maintaining proper double action timing and feel. Fits: S&W K Frame Model 10 3 Condition: Used OEM cleaned and inspected Includes: Rebound slide assembly with rebound spring Part Number: K323 Installation Note: Disassembly and reassembly of the revolver is required. Professional fitting by a qualified gunsmith