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Smith & Wesson K1026A Smith & Wesson Revolver K Frame Model 10 .38 Special Hammer .265 Wide Spur Part 000000000

Smith & Wesson K Frame Model 10 Hammer .265" Spur Case Colored Used Part K1026A

$29.99

Smith & Wesson K Frame Model 10 Hammer — .265" Wide Spur | Case Colored | Used | Part #K1026A

Factory OEM hammer for Smith & Wesson K Frame Model 10 revolvers. Features a .265" wide spur and case colored finish — the classic heat-treated surface treatment found on earlier production K Frame revolvers. Drives the firing pin to ignite the primer in both single-action and double-action operation. Genuine S&W factory part in used condition.

This listing is for the hammer only. Condition: Used, factory original.

Specifications

  • Part Number: K1026A
  • Frame: K Frame
  • Model: Model 10
  • Caliber: .38 Special
  • Spur Width: .265"
  • Firing Pin Type: Centerfire
  • Finish: Case Colored
  • Material: Steel
  • Condition: Used / Factory Original OEM

Model Compatibility Chart

Model Caliber Finish Notes
Model 10 .38 Special Case Colored Centerfire hammer; verify dash number before ordering

Important compatibility notes:

  • This is a centerfire hammer. It is not compatible with rimfire K Frame models (17, 18, 48, 617, 648) which require a different firing pin configuration.
  • Case colored finish is found on earlier production revolvers. Verify your revolver’s production era and dash number before ordering.
  • Not for stainless (Model 64, 65, 66, 67) or nickel-plated revolvers.

Function

The hammer is cocked either manually (single-action) or by the trigger pull (double-action). When released, it drives the frame-mounted firing pin forward to strike the cartridge primer. A worn, chipped, or improperly fitted hammer can cause light primer strikes, misfires, or unsafe conditions.

Installation Note

Professional gunsmith installation required. Hammer fitting involves sear engagement geometry, hammer-nose protrusion, and timing verification. Do not attempt without proper tools and training.

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