HIVIZ Steel Fiber Optic Front Sight for S&W K, L, N Frame Revolvers with Pinned Front Sight

The Hi-Viz Steel Fiber Optic Front Sight for S&W K, L, N Frame Revolvers brings fast, reliable sight acquisition to your wheelgun without the bulk of electronic solutions. This replacement front sight pairs with your revolver's factory rear sight to deliver bright, light-gathering performance in a wide range of shooting conditions. Built on a machined steel body, the sight uses Hi-Viz's proven overmolded technology to protect the polymer LightPipe—a light-gathering fiber that channels ambient light to the aiming point. The design adds an extra layer of clear polymer for durability and longevity, so you get consistent brightness whether you're on the range, hunting, or carrying for defense.

This front sight fits most Smith & Wesson K, L, and N frame models with barrels 2.5 inches or longer and adjustable rear sights. The installed sight height is .269 inches. Because this sight uses a pinned front sight design, it's engineered specifically for revolvers with that factory configuration—not a universal fit. Proper installation is critical to sight regulation and safety; gunsmith fitting is recommended to ensure correct alignment and zero.

If you run a classic S&W revolver for hunting, sport shooting, or duty use, this upgrade brings modern sight technology to your gun without the expense or batteries of red-dot optics. The fiber optic principle is simple and proven: brighter front sight, faster target pickup, cleaner sight picture. Pair it with good fundamentals and you'll shoot tighter groups faster.

Key Features

• Fiber optic front sight with light-gathering polymer LightPipe
• Machined steel construction with overmolded polymer protection
• Works with factory rear sights for quick sight acquisition
• Bright, fast-target performance across a range of light conditions
• Pinned front sight design for S&W K, L, N frame revolvers
• Installed sight height of .269 inches

Specifications

Frequently Asked Questions

What S&W revolvers does this front sight fit?

This sight is designed for Smith & Wesson K, L, and N frame revolvers with pinned front sights and barrels 2.5 inches or longer. It will not fit classic series or Performance Center models. Your revolver must have an adjustable rear sight for proper sight regulation.

Do I need a gunsmith to install this sight?

Gunsmith fitting is recommended. Proper installation ensures correct alignment, zero, and safe function. This is not a simple swap—a qualified gunsmith will fit and regulate the sight to your specific revolver.

How does a fiber optic front sight work?

The polymer LightPipe gathers ambient light and channels it to the sight tip, making the front sight appear bright and distinct against the target. This improves sight acquisition speed and visibility in varying light, without requiring batteries or electronics.

What's included with this sight?

The product includes the fiber optic front sight assembly. Installation hardware and any necessary adapters will be determined during gunsmith fitting to match your specific revolver.