XS Sight Systems DXT Big Dot for Kimber 1911 Custom 5in & Ultra Carry. Featuring a big dot tritium front sight that displays a bright aiming point you can see in any light conditions this Illuminated Night Sight from XS Sight Systems is a durable option for your concealed carry weapon. The XS Sight Systems DXT Big Dot Illuminated Tritium Sight - Tritium w/ v-notch rear sight has a unique design that offers a clear unobstructed view of your front sight so you don't need to worry about glancing over to adjust your sights. When you want the utmost security in low light scenarios you need the XS Sight Systems DXT Big Dot Sight - Tritium. Specifications for XS Sight Systems DXT Big Dot Sight - Kimber: Manufacturer: XS Sight Systems Gun Make: Kimber Color: Black Front Sight Color: Green Rear Sight Color: Green Fabric/Material: Steel Tritium Gun Type: Pistol Illumination Type: Tritium Additional Features: Tritium Front Tritium Rear Last Chance: Yes Mount Type: Dovetail Finish: Matte Package Contents: XS Sight Systems DXT Big Dot Sight - Kimber Red Threadlocker & Allen Key XS Sight Systems KB-0002S-5: DXT Big Dot for Kimber 1911 Custom 5in & Ultra Carry