S&W K Frame Model 10-7 Strain Screw Square Butt Blue Steel .38 Special Old Style Used - Part# 10172A

Smith & Wesson K Frame Model 10-7 Strain Screw — Square Butt, Blue Steel

Part# 10172A | Old Style | Used Factory Part | .38 Special

• Genuine Smith & Wesson factory replacement part
• Square butt frame configuration — blue steel finish
• Fits K Frame Model 10-7 (.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 10-7 with a square butt frame. Not compatible with round butt variants or rimfire K Frame models (17, 18, 48, 617, 648). Fitment may vary between dash numbers — verify your exact variant before ordering.