The XS Sights R3D 2.0 Suppressor Height Night Sights for Glock 20/21/29/30/30S/37/41 featuring a green front with black rear deliver a reliable, high-contrast sight picture for fast target acquisition in both day and low light conditions. These tritium front and rear sights provide a high contrast glow dot, while an integrated photoluminescent glow dot absorbs ambient light to glow in darkness, ensuring visibility after the lights go down. The wide notch rear with serrations and an anti-reflective lens enhances alignment and reduces glare, complemented by a durable Black Nitride corrosion-resistant finish for longevity in rugged use. Built with the traditional 3-dot tritium notch and post sight picture, they maintain familiar sighting ergonomics while offering modern illumination. Compatibility spans Glock Gen 15 models, including MOS, and the suppressor height design accommodates mounted optics, making them an ideal choice for duty, competition, or personal defense. Proudly manufactured in Fort Worth, TX, these sights fit Glock Suppressor/RMR Height 2021293030S37 and 41, delivering dependable illumination and a solid sight picture when it matters most.