XS Sights Tall Weaver Backup Iron Sight Ghost Ring - WB-2001N-T

Fast-deploying backup iron sight with ghost ring aperture design, featuring two interchangeable apertures (.230" and .191" inside diameter) for various lighting conditions. Mounts to any Weaver-style base and is fully adjustable for windage and elevation. Designed as a secondary sight for scoped firearms or for use on in-line muzzleloaders in no-scope hunting areas.