Marble's Front Sights have been the gunsmith's standard since 1900. These sights are windage drift adjustable and fit a standard 3/8" dovetail. A gold or white bead aiming point are offered. Some sights may also incorporate a fiber optic tube that absorbs ambient light, creating a brightly lit aiming reference point. Gunsmithing required. Steel. Blue. Technical InformationMaterial: Steel Finish: Blued Features: Gunsmithing Required: No Notes: Height is from base of sight to top, includes dovetail portion Width is at widest point of dovetail portion