UTG ACCU-SYNC 30mm Medium Profile 34mm Offset Scope Ring Mount for a Precise Fit on MIL-STD-1913 Picatinny Rails Precision CNC Machined from Aircraft 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 Single Mount Utilizes Locking Torx Screws and Square-shaped Integral Recoil Stops For a Secure Zero Hold 18mm Saddle Height, 34mm Offset Distance, 100mm Base Length, Meduim Profile Fits 30mm Tube Optics with up to a 65mm Outer Objective Diameter Includes a T20 Torx Wrench for Simple and User Friendly Installation NOTE: Leapers recommend to tighten the ring top screws with a torque value of about 25 inch-lb and the side plate screw with torque value of about 35 inch-lb.