The AmeriGlo PRO-GLO Tritium Square Front Sight, sized 0.165 by 0.140 inches, is engineered for Glock pistols to deliver fast, reliable target acquisition in dim or late-night conditions. This green tritium front sight features a bright, durable glow paired with an orange-outline design that enhances sight alignment under stress, making it a practical upgrade for duty, carry, or competition use. Built to complement Glocks smooth, consistent sight picture, its compact square profile minimizes snag while providing a crisp, repeatable notch for rapid front-post focus. The precision-height dimension supports accurate elevation adjustments across a range of Glock models, allowing shooters to maintain point-of-aim consistency from daylight to low-light scenarios. AmeriGlos PRO-GLO line is known for dependable visibility without compromising stealth, so you can maintain situational awareness while improving first-shot hits. Whether youre refining a personal defense setup, equipping a duty pistol, or updating a competition rig, this front sight offers a reliable blend of durability, ease of use, and rapid target focus that complements Glocks engineering and your shooting technique.