Ruger 90319 5K30HM Scope Ring Silver 30mm High
http://www.tandktactical.com/shop/736676903191-ruger-90319-5k30hm-scope-ring-silver-30mm-high-13553
http://www.tandktactical.com/web/image/product.template/13553/image_1920?unique=98b925a
High scope ring designed to fit a scope with a 30mm scope tube diameter and a 52 MM objective diameter.
