AmeriGlo Front Only-Green Tritium White Outline Front .220in H .140in W. This Illuminated Pistol Sight from AmeriGlo is made with green tritium that glows brightly without the use of batteries or any type of maintenance. With a two-tiered design the AmeriGlo SIG & XD Illuminated Front Sight Set is built to last. When you want a reliable night sight that performs in the lowest-light settings you need the AmeriGlo Tritium SIG & XD Front Sight Set. Specifications for AmeriGlo SIG/XD Tritium Front Sights: Manufacturer: AmeriGlo Gun Make: Springfield Armory Gun Type: Pistol Package Contents: AmeriGlo SIG/XD Tritium Front Sights AmeriGlo SA-112-220: Front Only-Green Tritium White Outline Front .220in H .140in