The Trijicon HD Night Sights for Glock 21 with Orange Outline Front deliver the same battle-proven aiming technology trusted by law enforcement agencies and competitive shooters worldwide, engineered for lightning-fast target acquisition in any lighting condition.
- Orange outline front sight for rapid, intuitive target acquisition in all light
- Tritium phosphor lamps glow bright in complete darkness without batteries
- HD sight profile centers the front dot automatically for consistent accuracy
- Hardened steel construction withstands heavy recoil and daily carry abuse
- Resistant to harsh cleaning solvents, oils, and environmental conditions
- Evenly distributed tritium illumination for a clear, uniform sight picture
Who This Is For
These sights are ideal for Glock 21 owners who carry concealed, work in law enforcement, or compete in pistol sports and demand a reliable, high-visibility aiming solution around the clock. Whether you're training at dawn or responding to a threat in a darkened environment, the Trijicon HD Night Sights give you the confidence to acquire your target quickly and shoot accurately under pressure.
Specifications
| Brand | Trijicon |
|---|---|
| Model | HD Night Sights – Orange Outline Front |
| Compatible Firearm | Glock 21 |
| Front Sight | Tritium with Orange Photoluminescent Outline |
| Rear Sight | Tritium, Blacked-Out HD Profile |
| Illumination | Self-Luminous Tritium (No Batteries Required) |
| Construction | Hardened Steel |
| Finish | Matte Black |
| Installation | Drop-In Replacement (Gunsmith Recommended) |
| Country of Origin | USA |
Frequently Asked Questions
Will these Trijicon HD Night Sights fit all Glock 21 generations?
Yes, the Trijicon HD Night Sights are designed to fit the Glock 21 across multiple generations, including Gen 3, Gen 4, and Gen 5 variants. Always verify your specific model's compatibility before installation. Professional gunsmith installation is recommended to ensure proper fit, torque, and zero.
Why choose an orange outline front sight over a standard white outline?
The orange photoluminescent outline on the front sight creates a high-contrast focal point that the eye naturally tracks faster than white under a wide range of lighting conditions. This is especially beneficial during high-stress situations or transitional lighting environments, helping you acquire a proper sight picture more quickly and intuitively.
How long does the tritium illumination last in Trijicon night sights?
Trijicon tritium lamps have a rated service life of approximately 12 years, after which the glow will gradually diminish. However, the sights remain fully functional as standard iron sights beyond that point. The orange outline front sight also enhances daytime visibility independent of the tritium, making these sights effective in all lighting conditions throughout their lifespan.