The sight is barrel-mounted, designed for rifles with front sight dovetails cut directly into the barrel, and has a .343" height.
Made of brass with a gold color, the sight features a polished steel, blue finish and a 1/16" (1.6mm) diameter bead available in three materials.
To order, use the Marble Arms/Williams charts to determine the required sight height, style, bead type, and width, then note the 9-digit ordering number.