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Smith & Wesson K Frame Model 66 Revolver.357 Magnum Stainless Steel Rebound Slide & Spring used part displayed on a white background with product information sign.

Smith & Wesson K Frame Rebound Slide & Spring Assembly Old Style Stainless - 64143C

$16.99

Smith & Wesson K Frame Rebound Slide & Spring Assembly – Old Style, Stainless

This factory original Smith & Wesson K Frame Rebound Slide & Spring Assembly controls trigger return and hammer positioning, ensuring smooth double-action operation and consistent trigger reset after every shot. A worn or broken rebound slide is one of the most common causes of trigger return failures and erratic double-action pull in K Frame revolvers. This stainless steel OEM assembly restores reliable function.

Part Details

  • Part Number: 64143C
  • Manufacturer: Smith & Wesson
  • Frame: K Frame (Medium Frame)
  • Style: Old Style
  • Finish: Stainless Steel
  • Includes: Rebound Slide + Rebound Spring
  • Function: Trigger Return / Hammer Positioning
  • Condition: Used – Factory Original

Model Compatibility

Model Caliber Type Compatible
10, 11, 12 .38 Special Centerfire ✓ Yes
13 .357 Magnum Centerfire ✓ Yes
14, 15 .38 Special Centerfire ✓ Yes
16 .32 Long Centerfire ✓ Yes
17, K22 .22 LR Rimfire ✓ Yes
18 .22 LR Rimfire ✓ Yes
19 .357 Magnum Centerfire ✓ Yes
48 .22 Magnum Rimfire ✓ Yes
53 .22 Jet Centerfire ✓ Yes
64 .38 Special Centerfire ✓ Yes
65 .357 Magnum Centerfire ✓ Yes
66 .357 Magnum Centerfire ✓ Yes
67 .38 Special Centerfire ✓ Yes
617 .22 LR Rimfire ✓ Yes
648 .22 Magnum Rimfire ✓ Yes

⚠️ This is the old style K Frame rebound slide. Interchangeable across all K Frame models regardless of caliber (centerfire or rimfire). Verify your revolver uses the old-style configuration before ordering.

Installation Note

Rebound slide replacement requires side plate removal and partial action disassembly. Professional gunsmith installation is recommended. Always function-test trigger return and reset after installation.

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