The TRIJICON HD NIGHT SIGHT YELLOW, GLOCK STANDARD FRAMES (MOS), GL114-C-601088 Fits Glock MOS 17, 19, 26, 27, 33, 34 is a high-quality and reliable sight system designed specifically for Glock pistols with MOS (Modular Optic System) frames. Manufactured by the renowned brand Trijicon, this product features a bright yellow front sight post, ensuring a quick and accurate target acquisition in various lighting conditions. With its durable construction and innovative design, this sight system is perfect for both professional and recreational shooters. The TRIJICON HD NS YLW, GLOCK STAND FRAMES (MOS), GL114-C-601088 offers exceptional performance and is a must-have accessory for Glock owners.