Smith & Wesson K Frame Thumb Piece & Nut Blue Steel Old Style - Used - 17179D .40 s&w Part Number: MP4015A

Part Number: MP4015A

Part Number: 4502

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Essential for accurate shooting and sight adjustment

Smith & Wesson K Frame Thumb Piece & Nut Blue Steel Old Style - Used - 17179D .40 s&w Part Number: MP4015ASmith & Wesson K Frame Thumb Piece & Nut Blue Steel, Old Style Open your cylinder with confidence using this factory original blue steel thumb piece and nut, pulled from a Model 17 3 . 22 LR revolver. The thumb piece is the lever you press to release the cylinder latch a high touch component that sees wear over time and is worth replacing when it becomes loose, pitted, or damaged. This old style blued assembly is a direct fit for vintage and classic K