XS Sights Glock 17/19 Big Dot Tritium Express Set

XS 24/7 Express Sights are made for fast sight acquisition in all light conditions. Sights feature a low profile, snag free design and are easily installed. Includes a Tritium green dot front and vertical line rear sight. Tritium inserts are surrounded by a thin white line for enhanced use in daylight, Big Dot versions have a larger white outline on the front sight surrounding the tritium insert.