Ruger 90317 6K30TGMM Scope Ring Matte Black 30mm Extra High
http://www.tandktactical.com/shop/736676903177-ruger-90317-6k30tgmm-scope-ring-matte-black-30mm-extra-high-13551
http://www.tandktactical.com/web/image/product.template/13551/image_1920?unique=bc84cd7
Designed to fit a scope with a 30mm scope tube diameter and a 62 MM objective diameter.
