UTG accu-sync 30mm high profile 37mm offset scope rings, comes in a pair and designed for a precise fit on MIL-STD-1913 Picatinny rails. Features: - precision CNC machined from Aircraft grade aluminum and finished in a matte black anodize - significant lightening cuts to massively reduce weight without compromising durability - radiused edges and corners to prevent snagging, scratching, or tearing of other gear and for effortless access to scope windage and elevation turrets - utilizes locking torx screws and square-shaped integral recoil stops for a secure zero hold. Includes: - T20 torx wrench for simple and user friendly installation. Specifications: - fits: 30mm tube optics with up to a 73mm outer objective diameter - material: aluminum - finish: matte black - weight: 2.66/5.32 oz. - pieces: 2 - rail type: Picatinny - profile level: high - ring diameter: 30mm - ring width: 25 mm - max. Scope outer Dia.: 73 mm - screws per ring: 4 - saddle height: 22mm - offset distance: 37mm - base length: 33mm