30mm Cantilever Optic Quick Release MountFeatures:- Mounts your Optic forward to give you more eye relief or rail space behind the optic for a Magnifier, Iron sight, or another accessory- Works with 30mm Scopes and Reflex Optics- Mount height is at the AR15 height for Co-Witnessing with your Iron Sights- An Adjustable Locking Quick Release Mount is compatible with Weaver/Picatinny type rails- Height: 2.3" (overall), 1.5" (AR15 Optic Height for Co-Witnessing)- Length: 3.4"- Weight: 2.8 oz.- All Aluminum Construction. Black Anodized finish