The AmeriGlo GL331 Optic Compatible Sight Set for Glock XL Tall Green Tritium Orange Outline Front Sight-Green Tritium White Outline Rear Sight delivers high-visibility, suppressor-height sights designed for reliable empty-handling and rapid target acquisition. This green tritium front and rear sight pairing features a distinctive orange-outline front and a white-outline rear, with an .315" front height and a .392" rear height to accommodate mounting with most optics for co-witnessing, while remaining compatible with a wide range of Glock models (excluding 4243). Built for durability and long-term reliability, the XL Tall configuration enhances alignment and visibility in bright and low-light conditions, and the LumiGreen paint adds a bright glow for approximately 10 minutes after light exposure, aiding quick targeting in transitional lighting. Whether youre upgrading a duty pistol, competition handgun, or a personal defense firearm, this sight set provides a clean, professional sight picture and quick front sight acquisition, while maintaining compatibility with many optic setups; some optics may require the taller Tall Optic Height model for optimal co-witness.