Features: Precision CNC Machined from 6061-T6 Aluminum and Finished in a Matte Black Anodization Lightening Cuts Reduce Overall Weight Without Compromising Durability All Sharp Edges and Corners Removed and Radiused Quick Release (QR) Mount Features Tool-free Tension Adjustment Locking Quick Release Lever and Squared Recoil Stops for a Secure Zero Hold and Return to Zero 15mm Saddle Height 32mm Center Height Fits 34mm Tube Optics with an Objective Outer Diameter up to 64mm