Monstrum Hypergrip Cantilever Riflecope Mount with Quick Release 34 mm Diameter. With the Monstrum Hypergrip Series QD Scope Mount you can quickly swap out your optic to meet the needs of any situation. The Hypergrip Cantilever Scope Mount is a dual ring scope mount with a one inch forward offset allowing for flexible placement of your preferred optic. Mounts secure to any flat top Picatinny equipped rifle via the Monstrum Hypergrip QD mount system. Fastened by adjustable tension QD levers with no tools required and anchored in place by the unique Hypergrip locking mechanism. 1.5 inches in center height from the base of the mount to the center of the optic. 6 inches in total length. 3 inches spacing between scope ring segments. 8 ounces in weight. Crafted from 6061 grade aluminum. The Monstrum Hypergrip QD Scope Mount is available for 1 inch 30 mm and 34 mm diameter rifle scope tubes. Specifications for Monstrum Hypergrip Cantilever Riflecope Mount w/ Quick Release: Manufacturer: Monstrum Gun Rail: Picatinny Fabric/Material: 6061 Aircraft Grade Aluminum Offset: 1 in Color: Black Distance Between Rings: 3 in Base/Mount Type: QD Mount Tube Diameter: 34 mm Ring Height: 1.5 in Length: 6 in Weight: 8 oz Gun Model: AR-15 Package Contents: Monstrum Hypergrip Cantilever Riflecope Mount w/ Quick Release Monstrum ZS346: Hypergrip Cantilever Riflecope Mount with Quick Release 34 mm Diameter