Product DescriptionXS Sights R3D night sights deliver a traditional three-dot, notch-and-post sight picture optimized for Glock large-frame pistols. Tritium lamps in the front and rear glow for fast alignment in low light, while the blacked-out rear increases contrast against the front sight. The front sight features XS&';s Ember Glow Dot technology-photoluminescent material that absorbs ambient light and charges from the tritium lamp-so the front ring stands out day or night. Precision CNC steel construction, a ledged rear for one-handed slide manipulation, and easy installation make this set a durable upgrade for duty, defense, and range use.Product Highlights Traditional 3-dot tritium sight picture with blackedout rear for enhanced contrast Ember Glow Dot green front ring for rapid sight acquisition in bright and low light Rear sight overhang and antireflective tritium lens help reduce glare Durable CNCmachined steel housing with ledged rear for onehanded slide manipulation Easy installation; fits standard holster options and backed by a 10year warranty Specs Compatibility: Glock 20, 21, 29, 30, 30S, 37, 41 pistols Sight Type: Front and rear set; threedot notchandpost configuration Front Blade Width: 0.145 in Rear Notch Width: 0.170 in Overall Height: 0.215 in front, 0.340 in rear Material: CNC steel with tritium lamps (front and rear) Color/Finish: Green front ring; black rear UPC: 647533046473 Manufacturer Part Number: GL-R013P-6G Brand Name: XS Sights Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.