XS Sight Systems Low Weaver Backup Ghost Ring for. 191 and .230 Aperture WB-2000N-L is an amazing sight for anyone that wants to improve their accuracy. The XS Ghost Ring Backup Sight is perfect for use on in-line muzzleloaders when hunting no-scope areas. For a great way to make sure you are shooting with one of the best sights the shooting industry has to offer choose the XS Ghost Ring Backup Aperture Sight. Specifications for XS Sight Systems Low Weaver Backup Ghost Ring: Manufacturer: XS Sight Systems Gun Model: Universal Color: Matte Black Fabric/Material: Steel Gun Make: Universal Condition: New Gun Type: Rifle Adjustability: Adjustable Features of XS Sight Systems Backup Ghost Ring Sight: Fast alternative open sight that will save your hunt if your scope fails. Perfect for use on in-line muzzleloaders when hunting no-scope areas. Attaches in just seconds without gunsmithing to any Weaver-style base. Ruger sight fits Ruger and Talley bases requires drilling rear base. Fully adjustable for windage and elevation. Includes front Test Post. Package Contents: XS Sight Systems Backup Ghost-Ring Aperture Sight w/ .191 and .230 Aperture WB-2000N-L What firearm models does the manufacturer say XS Sight Systems Low Weaver Backup Ghost Ring is compatible with? The manufacturer suggests that XS Sight Systems Low Weaver Backup Ghost Ring is compatible with UniversalXS Sight Systems WB-2000N-L: Low Weaver Backup Ghost Ring for