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Smith & Wesson revolver main spring on a white background with a label.

Smith & Wesson K Frame Model 15-3 Main Spring .38 Special K157B

$8.99

OEM Smith & Wesson Main Spring for Model 15-3

Hammer main spring for K Frame Model 15-3 Combat Masterpiece .38 Special revolvers. Old-style design ensures reliable hammer function and proper trigger pull weight.

Specifications:

  • Fits: K Frame Model 15-3 .38 Special
  • Condition: Used, fully functional
  • Style: Old style
  • Part Number: K157B

Genuine Smith & Wesson factory replacement part. Professional installation recommended for proper fitting and assembly.

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