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Smith & Wesson revolver barrel with descriptive label on a white background

Smith & Wesson Model 66-2 4" Non-Pinned Barrel – .357 Magnum Stainless Used (Part# 6623D)

$129.99

Smith & Wesson Model 66-2 4" Non-Pinned Barrel – .357 Magnum | Part# 6623D

Restore your Model 66-2 Combat Magnum to factory spec with this OEM Smith & Wesson replacement barrel. Built to the same tolerances and materials as the original, this stainless steel non-pinned barrel delivers the accuracy and reliability your K Frame was designed for.

Part Specifications

  • Part Number: 6623D
  • Caliber: .357 Magnum
  • Barrel Length: 4"
  • Type: Non-Pinned
  • Material: Stainless Steel
  • Style: Old Style
  • Condition: Used – Factory Original

Compatibility

  • Smith & Wesson K Frame – Model 66-2 (.357 Magnum)

To confirm your model number: swing out the cylinder and check behind the yoke on the frame. Model numbers were introduced in 1957–58. If no number is present, contact us with your serial number and we’ll help identify the correct part.

Installation

Disassembly and reassembly by a qualified gunsmith is required. Factory replacement parts are manufactured to original specifications, tolerances, and materials for a proper fit.

Why Buy From USA Guns And Gear?

We specialize exclusively in Smith & Wesson pistol and revolver parts — new, new-old-stock, refurbished, and used. Every part is inspected before shipping. Questions? Shoot us an email or give us a call — we’re here to help with all your S&W needs.

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