Hawke Sport Optics Dovetail 30mm Scope Rings 2-Pieces 1in Extension Black. These Hawke Optics rifle scope rings push your scope forward giving you the ability to adjust your eye relief for scopes with large objective lenses. Hawke Optics 2pc 9mm to 11mm Rail Extension High Scope Rings are built out of sturdy aluminum and will mount your scope at a high height and hold it in place with a dual ring clamp design making the scope rings incredibly effective at reducing recoil and keeping your scope zeroed. Hawke Sport Optics has built the extension rings for scopes with a 30mm tube diameter and they mount to 9mm to 11mm rails. Whether your scope has a large objective an oversized focus wheel or a large saddle you'll benefit from the extra space you get when you use the Hawke 30mm High 9-11mm Extension Rifle Scope Ring Two Pack. Specifications for Hawke Sport Optics Dovetail 30mm 1in Extension Scope Rings: Manufacturer: Hawke Sport Optics Finish: Anodized Ring Height: High Tube Diameter: 30 mm Gun Model: Universal Quantity: 1 Fabric/Material: Aluminum Condition: New Length: 1.9 in Weight: 4 oz Color: Black Gun Rail: Dovetail Cant: 0 MOA Gun Make: Universal Gun Type: Rifle Diameter: 30 mm Height: 1 in Features of Hawke Sport Optics Dovetail 30mm 1in Extension Scope Rings Available in 1 inch extension configuration. High to accommodate larger objective scopes. Double hex screws to hold your scope firmly in place. 9-11mm models are fitted with a recoil stop pin. Reversible dove tail clamp that fits 9-11mm and 3/8 inch. Internal cusion tape prevents markings and damage. High grade aluminum anodized in matte black. Package Contents: Hawke Sport Optics Dovetail 30mm 1in Extension Scope Rings Hawke Sport Optics 22122: Dovetail 30mm Scope Rings 2-Pieces 1in Extension Black