SKU: TRGL104O-600543
UPC: 719307209695
The Trijicon HD Night Sight Set for Glock 21 with orange outline delivers the rapid target acquisition advantage that defines modern tactical aiming systems. Purpose-built for operators who demand instant sight picture capability across all lighting conditions—from daylight verification to total darkness operations—this night sight upgrade replaces factory iron sights with Trijicon's proven luminous-dot technology trusted by law enforcement agencies nationwide.
The orange outline design enhances daylight sight acquisition while the self-illuminating tritium vials ensure target visibility in low-light and zero-light environments without requiring external power or activation. Trijicon night sights are engineered to withstand professional-grade duty use—recoil cycling, impact, and extended service without degradation of sight regulation or luminous performance. The Glock 21 platform delivers full-size ergonomics in .45 ACP, and these sights are precisely fit to the dovetail mounting system, requiring no gunsmithing for installation.
This sight set is ideal for duty-carry professionals, tactical trainers, and competitive shooters who prioritize sight picture speed in variable lighting. Whether deployed in patrol operations, low-light training scenarios, or rapid-engagement drills, the HD configuration supports faster target transitions and follow-up shot accuracy compared to standard black-dot iron sights. Owners upgrading existing Glock 21 platforms eliminate the dead-zone visibility gap that compromises shooting performance during dawn, dusk, or indoor transitions.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
