Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon STD 1-in Medium Matte by Leupold Save Liquid error (product-badge line 32): -Infinity% $29.99 Availability: translation missing: en.general.icons.icon_check_circle icon Only 3 left! 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Looking for Local Pick-up? Choose a store below. Product Locator by Locally Notify me when back in stock Email address Email me when available STD rings are precision engineered to match up with STD 1-piece or STD 2-piece bases. Rear ring is secured by windage adjustment screws.