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

Smith & Wesson K Frame Model 19-5 .357 Magnum 4" Pinned Barrel 1921AB

$139.99
Skip to product information
Smith & Wesson revolver barrel on a white background with a label.
  • Smith & Wesson revolver barrel on a white background with a label.
  • Metallic cylindrical object with 'S&W 357 Magnum' engraving on a white background
  • Smith & Wesson firearm barrel on a stand with a white background
  • Mechanical component on a white stand with a textured wall background
  • Black and red cylindrical object on a white background
  • Metal valve on a stand against a white wall
  • Metal mechanical component on a white background
  • Smith & Wesson revolver barrel on a white background with a label.
  • Metallic cylindrical object with 'S&W 357 Magnum' engraving on a white background
  • Smith & Wesson firearm barrel on a stand with a white background
  • Mechanical component on a white stand with a textured wall background
  • Black and red cylindrical object on a white background
  • Metal valve on a stand against a white wall
  • Metal mechanical component on a white background
Smith & Wesson K Frame Model 19-5 .357 Magnum 4" Pinned Barrel 1921AB

Smith & Wesson K Frame Model 19-5 .357 Magnum 4" Pinned Barrel 1921AB

$139.99

Smith & Wesson K Frame Model 19-5 .357 Magnum 4" Pinned Barrel

Restore your Model 19-5 Combat Magnum to factory spec with this genuine Smith & Wesson OEM 4" pinned barrel. The pinned barrel is a hallmark of classic S&W craftsmanship — sought after by collectors and shooters alike for its tight lockup and historical authenticity. A used original-equipment part machined to S&W's exacting tolerances.

Part Details

  • Part Number: 1921AB
  • Length: 4"
  • Style: Pinned, Old Style
  • Condition: Used, original equipment
  • Fits: Smith & Wesson K Frame Model 19-5
  • Caliber: .357 Magnum / .38 Special

Compatibility

This barrel is caliber-specific and frame-specific — designed exclusively for the K Frame Model 19-5 in .357 Magnum. Barrels are not interchangeable between calibers or frame sizes. Verify your model number before ordering.

Note: This is a used OEM part. Inspect photos carefully. Barrel installation and headspace verification should be performed by a qualified gunsmith.

You may also like