Enhance the aiming performance of your Smith & Wesson handgun with the Smith & Wesson Sight Blade Kit – Rear .146″ White Outline. Engineered specifically for the K, L, and N series, this high‑visibility blade provides crisp, rapid target acquisition in all lighting conditions, whether you’re on the range or in the field.

Why Choose This Sight Blade?

• Precision Fit: Exact .146‑inch (3.71 mm) blade thickness conforms to the factory‑drilled rear sight slot of S&W K, L, and N models.
• High‑Visibility White Outline: The matte white coating offers a stark contrast against the black frame, reducing eye strain and improving sight picture clarity.
• Durable Construction: Made from hardened stainless steel with a corrosion‑resistant finish to withstand harsh environments and high‑round‑count usage.
• Easy Installation: No gunsmith required – the kit includes a set of precision‑cut screws and a detailed installation guide.
• OEM Compatibility: Designed to match the original S&W sight dimensions, ensuring seamless integration without altering factory tolerances.

Technical Specifications

• Part Number: 191440000
• UPC: 022188491449
• Blade Width: .146 inches (3.71 mm)
• Finish: White outline on a black background, matte coating
• Material: Hardened stainless steel
• Compatible Models: Smith & Wesson K, L, N series pistols
• Installation Hardware: Includes two #2-56 screws (steel) and a step‑by‑step instruction sheet

Benefits of Upgrading Your Rear Sight

When you replace the factory rear sight with this premium blade kit, you gain:

• Faster Target Acquisition: The bold white outline draws the eye instantly, allowing you to line up the front sight with confidence.
• Improved Accuracy: Consistent blade thickness and alignment reduce sight drift, giving you tighter groupings.
• Enhanced Low‑Light Performance: The reflective properties of the white outline help maintain visibility in dusk or indoor environments.
• Increased Durability: Stainless steel resists wear, corrosion, and impact, extending the life of your sight system.

Installation Instructions (Quick Overview)

1. Remove the existing rear sight by gently tapping it out with a brass punch.
2. Clean the sight cavity to eliminate debris and oil residues.
3. Insert the new white‑outline blade into the cavity, ensuring the flat side faces outward.
4. Secure the blade with the supplied #2-56 screws using a proper torque wrench (≈ 5 in‑lb).
5. Verify alignment by sighting on a target at 25 yards; adjust if necessary.

For a more detailed guide, refer to the PDF included in the package or visit our installation support page.