Ghost-ring aperture is a 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.
SPECS:
Steel, blue, matte finish. .191" (4.8mm) diameter aperture. Weaver: .275" (7mm), High Weaver: .500" (12.7mm) from the top of base to center of aperture. Ruger: .300" (7.6mm) high from top of base to top of sight body.
Catalog page 276