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Description

Smith & Wesson K/N Frame Trigger Assembly .400 Inch

This Smith & Wesson K/N Frame Trigger Assembly (.400″) is a factory original part compatible with both K-Frame and N-Frame revolvers. Featuring the wider .400-inch combat-style trigger shoe, it delivers enhanced finger engagement and smoother double-action pulls. This steel trigger is complete with the original trigger stud and ready for direct installation.

Whether you’re restoring a classic Model 10, 13, 19, or a large-frame Model 27, 28, or 29, this authentic S&W component ensures reliable ignition and correct factory fit. The wide trigger is favored by many for its increased surface area, aiding in precision shooting and control during rapid fire. Excellent for shooters, collectors, and gunsmiths seeking a no-compromise OEM solution.

*AD IS FOR ONE PART*

SPECIFICATIONS

• MAKE: Smith & Wesson
• MODEL: K & N Frame
• 1954 to 1988
• New Old Stock
• .400 Inch Wide
• Trigger Lever Included
• HAND NOT INCLUDED

Additional Information:

Smith & Wesson’s .400-inch wide trigger design was developed for duty and competition use, offering improved control in both single and double-action modes. This trigger assembly is compatible with a wide range of S&W revolvers across the K and N Frame lines, demonstrating the company’s modular approach to revolver design. With roots in mid-century law enforcement and civilian shooting disciplines, the .400″ trigger became a standard for shooters seeking a balance between comfort and control under pressure.

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