Increase your tactical advantage with on-demand magnification. Designed to be positioned behind a red-dot or iron sight with either a flip-away or a fixed mount, this unit provides 3X magnification, giving you increased accuracy and precision. Works with Burris' AR-Pivot™ ring and other 30mm fixed mounts, and can be adjusted to center on your sight. Coated lenses for crisp, clear images. Wire tethers keep lens caps from getting lost. Weight: 9.1 oz. Length: 4.8".