The Big Dot Tritium front sight improves sight acquisition speed and tritium enhances Low-Light use of the defensive shotgun. Glues over front bead and the bead must be 0.120"-0.140" in diameter. It may require opening up bead hole to larger size by drilling & tapping. Fits Mossberg, Remington and others with bead mounted directly to the barrel. The XS Big Dot Tritium Front Sight is a stand alone solution and does not work with any rail or Ghost Ring solution.
Specifications:

Type	Tritium Front
Frame Material
Frame Color	Black
Firearm Fit
Base Configuration
Style
Front Material	Tritium
Rear Material
Front Color	Green Tritium w/White Outline
Rear Color
Rail Size
Windage Adjustment
Elevation Adjustment
Fiber Diameter
Firearm Type	Shotgun