The Meprolight Tru-Dot S&W K/L/N Frame Pin-On Adjustable Night Sight delivers combat-proven, self-illuminated targeting performance for Smith & Wesson revolvers, giving you confident shot placement in any lighting condition — day or night.
- Tritium-powered self-illumination requires zero batteries or external light sources
- Adjustable rear sight for precise windage and elevation tuning
- Direct pin-on installation fits S&W K, L, and N frame revolvers
- Bright tritium vials deliver the clearest, fastest sight picture available
- Maintenance-free design stays ready for duty without any upkeep
- Trusted by law enforcement agencies and military units worldwide
Who This Is For
This sight is ideal for S&W K, L, and N frame revolver owners who demand reliable low-light accuracy — whether you're a law enforcement officer, a home-defense shooter, or a serious range enthusiast who refuses to compromise on sight performance when the lights go out. If your carry or duty revolver needs a meaningful upgrade from factory irons, the Meprolight Tru-Dot adjustable is a proven, field-tested solution.
Specifications
| Brand | Meprolight |
|---|---|
| Model | Tru-Dot S&W K/L/N Pin-On Adjustable |
| Compatible Frames | Smith & Wesson K, L, and N Frame Revolvers |
| Sight Type | Adjustable Rear Night Sight |
| Illumination | Self-Illuminated Tritium (No Battery Required) |
| Installation | Pin-On Direct Mount |
| Adjustment | Windage & Elevation |
| Maintenance | Maintenance-Free |
| Category | Iron Sights / Night Sights |
Frequently Asked Questions
Which Smith & Wesson revolvers are compatible with this Meprolight sight?
This sight is specifically designed for Smith & Wesson revolvers built on K, L, and N frames. Common examples include the Model 10, Model 19, Model 586, Model 686, Model 29, and Model 629, among others. If you are unsure of your revolver's frame size, check the S&W documentation or consult with a gunsmith before ordering.
How long does the tritium illumination last on Meprolight night sights?
Meprolight tritium night sights have a typical illumination half-life of approximately 12 years. Over time the glow gradually dims, but the sights remain functional and usable well beyond that period. Because they are self-illuminated, they require no batteries, charging, or maintenance — they are always ready when you need them.
Does this sight require professional installation, or can I install it at home?
The pin-on design is engineered for direct installation onto compatible S&W frames, but proper fitting may require minor adjustments and basic gunsmithing tools. If you are not experienced with revolver sight installation, professional fitting by a qualified gunsmith is recommended to ensure correct alignment, function, and safety.