The Smith & Wesson Rear Sight Blade Kit (S&W part no. 191450000) at .146-inch notch width is a factory replacement part built to fit the universal K, L, and N frame revolver platforms, giving owners a genuine factory-correct way to restore or replace a worn or damaged rear sight blade. Finished in traditional blued steel, it matches the factory appearance on classic blued S&W revolvers rather than introducing a mismatched finish. As a factory replacement part rather than an aftermarket redesign, it drops in using the same fitment as the sight it’s replacing, without requiring any additional gunsmithing. It’s a straightforward, correct-fit repair part for K, L, and N frame owners.

Key Specifications

• Fits S&W K, L, and N frame universal handgun platforms.
• Cut with a .146-inch notch width.
• Finished in traditional blued steel to match factory-blue revolvers.
• Built as a genuine factory replacement part rather than an aftermarket redesign.

Frequently Asked Questions

Will this fit my specific S&W revolver? It’s built for the universal K, L, and N frame platforms; confirm your specific model falls into one of those frame sizes before ordering.

Is this a factory part or an aftermarket sight? It’s a genuine Smith & Wesson factory replacement part, built to the same fitment as the original sight blade.

What finish does this sight come in? It’s finished in traditional blued steel, matching the appearance of classic blued S&W revolvers.

Buy the S&W Rear Sight Blade Kit, .146in K/L/N Frame Blue

A genuine factory replacement blade is the simplest way to restore a worn rear sight to correct fitment and finish. Order it from our Lubbock, Texas gun shop for insured shipping right to your door, and browse the rest of our gun sights selection for other notch widths and finishes.