The Big Dot Tritium front sight improves sight acquisition speed and tritium enhances Low-Light use of the defensive shotgun. These sights require Remington factory size front bead for installation. It will work with a .125 - .140 diameter bead The XS Big Dot Tritium Front is a stand-alone solution and does not work with any Ghost Ring sight solutions.
Specifications:

Type
Frame Material	Steel
Frame Color	Black
Firearm Fit	Remington
Base Configuration
Style
Front Material	Tritium
Rear Material
Front Color	Ember/Yellow
Rear Color
Rail Size
Windage Adjustment
Elevation Adjustment
Fiber Diameter
Firearm Type	Shotgun