Smith & Wesson Pistol Model 4043 S-Lever .40 S&W - Part 4043k sight assembly N Frame models made after

N Frame models made after 1992 (dash-4 or higher)

Finished in a classic matte blue

Genuine Smith & Wesson components ensure proper fit

This 12-pound spring provides smoother cycling and reduced felt recoil while maintaining reliable function

For high-velocity ammunition

Smith & Wesson Pistol Model 4043 S-Lever .40 S&W - Part 4043k sight assembly N Frame models made afterSmith & Wesson Model 4043 Sear Used OEM Part Genuine Smith & Wesson Sear for the Model 4043, a double action only (DAO) . 40 S&W pistol from the 3rd Generation semi automatic lineup. The S lever is a critical internal trigger mechanism component that interfaces with the sear and disconnector to control the firing cycle. Keeping this part in proper working condition is essential for reliable trigger function. Part Number: 4043K Model: Smith & Wesson