Tikka T3, T3X Alloy Lightweight Ring Base Combination (xxx714 series)

comes complete with eight cap screws and four 6-48 mounting screws. Tikka T3 Scope Mounts – Product Dimensions and Weights Ring Height Rear Height Front Height Available for Main Tubes Weight (per set) Extra-Low .410″ .410″ 1″ / 30MM 2.2oz / 2.5oz Low  .510″ .510″ 1″ / 30MM 2.2oz / 2.6oz Medium .610″ .610″ 1″ / 30MM / 34MM 2.3oz / 2.7oz / 3.0oz High .710″ .710″ 1″ / 30MM / 34MM 2.5oz / 2.9oz / 3.2oz   1 The height is measured from the top of the action/ receiver to the bottom of the scope tube at the respective mounting location 2  Hole spacing measured center to center.