Trijicon Bright & Tough night sights give shooters five times greater night fire accuracy with the same speed as instinctive shooting. Three glowing dots provide clear aiming reference points, day or night! Each Trijicon Bright & Tough night sight contains three glass lamps filled with pressurized tritium gas, which glows brightly at night. A white or brightly colored ring surrounds the dots for perfect daytime visibility. Trijicon Bright & Tough sights feature an extra-large front dot that provides a bright, distinctive sighting picture.![]()
The tritium-phosphor lamps used in these Trijicon 3-dot sights provide superior illumination guaranteed to last 12 years. These tritium sights are built tough, with protective aluminum cylinders that contain and protect the tritium lamps from heavy recoil and harsh cleaning solvents. The tritium dots are protected by silicon rubber cushions, giving additional shock protection to the tritium-filled glass lamps within the aluminum housing. Trijicon caps each lamp with a sapphire window jewel, distributing the light and protecting the cylinder from punctures and solvents.
The lifespan of a tritium sight, which relies on tritium gas to produce its glow, typically ranges from 10 to 20 years. Tritium has a half-life of about 12.3 years, meaning it loses about half its brightness over that period. The glow diminishes significantly after a couple of decades, making the sight less effective in low-light conditions. Manufacturers usually recommend replacing tritium sights after this period for optimal performance.
Both tritium and fiber optic sights have advantages and are designed to cater to different lighting conditions and preferences.
Tritium sights contain a radioactive isotope that emits light without needing an external energy source. They're great for low-light or nighttime conditions as they glow continuously, providing visibility in the dark. However, they might not be as bright as other sources and can fade over time as the tritium decays, typically over several years.
On the other hand, fiber optic sights use ambient light to illuminate the sight picture. They gather and channel available light through a fiber optic rod, making them exceptionally bright and easy to see, especially in well-lit or daylight conditions. However, they can be less effective in low-light situations as they rely on external light sources.
The choice between the two often comes from personal preference and the specific use case. For situations where low-light visibility is crucial, tritium sights might be preferred. Conversely, if you anticipate mostly well-lit conditions and desire a brighter sight picture, fiber optic sights could be the better option. Some firearm users even prefer a combination of both, with tritium sights for low-light scenarios and fiber optics for daytime shooting. Check out our guide on Glock & Pistol Night Sights to learn more about their benefits and how to pick the best color and configuration for your firearm.
Trijicon Bright & Tough night sights offer shooters unparalleled accuracy in low-light conditions, combining the reliability of tritium technology with innovative design features. Shop online with us today for amazing deals on Trijicon Glock sights and other popular Trijicon optics like ACOG scopes and RMR red dots. Plus, get Free Shipping on most orders over $49.