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A sign displaying Smith & Wesson K Frame Model 1038 Special used part old style, with a barrel pin listed as Part #101A. The sign has a white background with printed text and a picture of the part.

S&W K Frame Model 10 Barrel Pin .38 Special Used - Part# 101A

$4.99

Smith & Wesson K Frame Model 10 Barrel Pin

Part# 101A | Old Style | Used Factory Part | .38 Special

  • Genuine Smith & Wesson factory replacement part
  • Fits K Frame Model 10 (.38 Special) — old style design
  • Used part in good working condition
  • Verify compatibility with your specific revolver before ordering
  • Professional installation recommended — disassembly and reassembly required; fitting by a qualified gunsmith may be needed

Identifying Your Model Number

Swing out the cylinder and check behind the yoke on the frame. Model numbers were introduced in 1957–58. If no model number is present, your revolver may pre-date that era — contact us with your serial number and we can help identify the correct part.

Compatibility Note

This is a centerfire K Frame part specific to the Model 10. Not compatible with rimfire K Frame models (17, 18, 48, 617, 648).

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