SKU: TRGL104Y-600545
UPC: 719307209701
The Trijicon HD Night Sight for Glock 21 with Yellow Outline delivers rapid target acquisition in zero-light and low-light environments where speed matters most. Designed and refined through decades of real-world deployment with federal, state, and local law enforcement agencies, this sight system prioritizes operational reliability and precision under the exact conditions where standard iron sights fail. The yellow outline enhances the sight picture in daylight while the tritium lamp maintains visibility in complete darkness.
The HD (High Definition) platform sets this sight apart through superior optical clarity and contrast management. The front sight's single tritium element paired with the rear sight's larger tritium dots creates an uncluttered sight picture that operators can pick up instantly under stress. The yellow outline coating directs the eye to the front sight post during daylight shooting, accelerating target engagement without requiring manual aiming adjustments between light conditions. Tritium self-illumination requires no batteries and functions reliably for 12+ years of continuous operation.
This configuration is purpose-built for Glock 21 platforms, fitting standard dovetail cuts without gunsmithing. It serves duty-carry shooters, defensive-minded civilians, range competitors, and military personnel who operate across variable lighting. The sight design is proven in patrol, training, and tactical environments where transition speed between bright outdoor light and dark interior spaces directly impacts engagement effectiveness. Trijicon's manufacturing standards ensure zero-shift reliability across extended firing sequences and environmental extremes.
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