SKU: AMGGL-203O
UPC: 644406904830
The AmeriGlo Pro-iDot Tritium sight set for Glock 20/21 delivers fast target acquisition in low-light and no-light environments through photoluminescent tritium technology. This sight system pairs a green tritium rear sight with a green tritium front sight featuring an orange outline, creating a high-contrast sight picture optimized for rapid threat identification during low-visibility operations, training scenarios, and defensive carry situations.
The rear sight features a .180-inch wide notch cut with no outline, extending to the end of the slide with an under-cut face to eliminate glare and reduce light reflection that could compromise concealment. The front sight measures .140 inches wide with the contrasting orange outline, creating a decisive sight picture without requiring external light sources. This configuration allows shooters to index the sights quickly in darkness or during rapid-fire sequences, a critical advantage in low-light defensive scenarios where target identification speed directly impacts engagement outcomes.
The Glock 20/21 platform users—whether law enforcement, armed security, or serious defensive shooters—benefit from aftermarket sight upgrades that improve visibility and speed over factory sights. AmeriGlo's tritium rear and front sight combination specifically addresses the limitations of standard Glock sights in low-light conditions, enabling reliable target acquisition without relying on flashlight-assisted aiming or daylight sight alignment. These sights are commonly paired with carry configurations where holster retention and positive identification matter equally.
Tritium night sights have become the standard upgrade across duty and defensive firearms because they function continuously without battery dependency. AmeriGlo's design philosophy prioritizes contrast and speed: the orange-outline front sight pairs naturally with the no-outline rear to form a fast-tracking sight picture that works in daylight, dusk, and complete darkness. This makes the Pro-iDot configuration suitable for 24-hour operational readiness.
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