XS Sights Big Dot Tritium Express Set for Sig P239 Pistol

The XS Sight Systems Big Dot Tritium Express Set is designed for Sig P239 Pistol. XS 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 a white 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. The rear sight does not contain a tritium insert.