Steiner rings are the foundation of a precision shooting system. Design and engineered to guarantee precise optical alignment and shot-after-shot-accuracy. Binoculars, Riflescopes, Battle Sights, Rings and Mounts are backed by Steiners Heritage™ Warranty. Night Vision Devices, Laser Aiming Solutions, Beacons, and Battle Lights are backed by Steiner's eOptics 2 Year Warranty Steiner H-Series Lightweight Mount Ring 30mm Low .85" 5957