Trijicon HD Night Sight Orange Glock GL101O

The Trijicon HD Night Sights GL101O is the sight set that serious tactical and defensive Glock shooters reach for when standard three-dot configurations do not deliver the front-sight acquisition speed they need. The HD design takes the proven Trijicon tritium night sight platform and improves on it in the areas that matter most under stress, a taller, more visible front sight with an orange photoluminescent outline that draws the eye immediately and naturally, without any conscious effort from the shooter.

The GL101O fits Glock models 17, 17L, 19, 22, 23, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 37, 38, and 39 — covering the full range of standard and compact Glock configurations that defensive and tactical shooters most commonly carry and deploy. The Trijicon Glock sights GL101O purpose-built fit for these specific models ensures correct dovetail installation and proper alignment on the compatible platforms.

The Glock 17/19 Night Sights GL101O feature orange photoluminescent paint outlining the front sight, which distinguishes the HD configuration from standard three-dot designs. The orange ring around the tritium lamp creates a large, high-contrast visual reference that the eye finds immediately under stress - faster and more naturally than the smaller dots of a standard night sight configuration. In fluctuating lighting conditions, where the eye needs to quickly find the front sight during a dynamic defensive situation, the HD orange front sight delivers a meaningful speed advantage over standard configurations.

The taller front sight blade gives the HD configuration its characteristic silhouette - more visible above the rear sight, enabling faster acquisition without deliberate search for the aiming point.

The Trijicon night sights GL101O black rear sight features a wider U-shaped notch that provides increased light transmission on either side of the front sight - keeping the front sight clearly visible and well-framed even in poor lighting conditions where a narrow rear notch would create a cluttered, difficult sight picture. The three-dot green tritium sight set provides self-luminous illumination in complete darkness without batteries or electronics.

The night sights GL101O front surface of the rear sight is hooked to assist in emergency one-handed slide operation - a practical tactical feature that allows the shooter to rack the slide on a belt, boot, or any available edge when one hand is unavailable. Professional installation is recommended for the Trijicon Pistol sights GL101O.