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Pistol Upgrade: Trijicon DI Night Sights Feature Tritium and User-Replaceable Fiber

The Trijicon DI Night Sights are designed for personal defense, law enforcement, and professional shooters who want maximum visibility in any lighting condition.

Equipped with the industry’s first user-replaceable fiber for easy installation in the field, Trijicon DI Night Sights feature a chemical and heat resistant fiber finished with the same proprietary technique as the venerable Trijicon ACOG. The fiber is coupled with a tritium lamp protected by an aluminum sleeve and capped with a sapphire jewel for maximum durability. This dual illumination technology amplifies collected light, ensuring an ultra-bright aiming point in any light: daylight, low light, and even complete darkness. 

DI Night Sights are designed for the most demanding conditions while offering exceptional versatility. The fiber optic and tritium vial are held in place by a sturdy housing machined from solid steel for maximum durability. A threaded black steel retainer on the front sight allows users to quickly replace lost or damaged fiber pieces. DI Night Sights come from the factory with a .078” green fiber preinstalled in the front sight and two extra green fiber replacements.

“We are excited to be able to solve the long-standing user need of a replaceable fiber in a sight that provides an aiming point in any light,” said Chuck Wahr, Global Vice President of Sales and Marketing at Trijicon. “It is a credit to our engineering team who consistently turns out brilliant aiming solutions.”

Users can also choose to customize their DI Night Sights with up to 16 different fiber and retainer color combinations. Options include green, red, amber, and orange fibers, while additional steel retainers are available in white, orange, and yellow Cerakote.


The subdued rear sight uses tritium inserts to provide a rapid sight picture in low light situations while promoting front sight focus in daylight. The rear sight also features an enhanced hook design to facilitate single-handed slide operation under field-expedient conditions. 


With models developed for today’s most popular handguns, Trijicon DI Night Sights offer shooters any-light aiming with proven Trijicon durability and reliability.

For more information, please visit: trijicon.com.

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

Trijicon DI Night Sights

(Photo courtesy of Trijicon)

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