Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B

Smith & Wesson N Frame Model 57 Strain Screw - Square Butt - Used OEM 29173B

$7.99
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Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
  • Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
  • Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
  • Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
  • Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
  • Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
  • Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
  • Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
  • Smith & Wesson Smith & Wesson Revolver N Frame Model 57 Strain Screw Square Butt .41 Magnum Used 29173B Part 29173B
Smith & Wesson N Frame Model 57 Strain Screw - Square Butt - Used OEM 29173B

Smith & Wesson N Frame Model 57 Strain Screw - Square Butt - Used OEM 29173B

$7.99

This listing is for the strain screw only.

Genuine Smith & Wesson OEM strain screw for the N Frame Model 57 revolver with square butt grips, chambered in .41 Magnum. The strain screw tensions the mainspring at the bottom of the grip frame, directly affecting trigger pull weight and hammer reliability. Used, original factory part in excellent condition.

Part Details:

  • Part Number: 29173B
  • Frame: N Frame
  • Grip Style: Square Butt
  • Caliber: .41 Magnum
  • Condition: Used OEM

Model Compatibility:

  • Smith & Wesson N Frame Model 57 (.41 Magnum) — Square Butt configuration

Important: This screw is for square butt grip frames only. Strain screw tension directly affects trigger pull weight: tightening increases pull weight, loosening decreases it. Professional installation by a qualified gunsmith is recommended.

We specialize in new, used, and new old stock Smith & Wesson double action revolver parts. Questions about compatibility? Shoot us an email or give us a call — we're happy to help.

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