The Marble Arms .410" Fiber Optic Glow 41-W Front Sight is a precision-made, steel sight with a polished blue finish, available in orange or green fiber optic colors.
It is designed for universal rifles and can be mounted on ramps with a .340 wide base, featuring a .060" diameter optic rod.
To order, use the Marbles and/or Williams charts to determine the correct height, style, bead type, and width, then note the 9-digit ordering number.