The Steiner T-Series cantilever mount offers the perfect mounting solution for AR-15 and flattop platforms. Machined from rugged aluminum alloy to be incredibly strong, yet lightweight. This cantilevered mount combines ruggedness, lightweight and adaptability to be the perfect addition to your platform. T-SERIES AR MOUNT FEATURES: Available in two heights: 35mm and 40mmMounts to any picatinny style railDesigned to offer perfect eye relief on modern AR-pattern riflesBubble level on the rear ring for maximum accuracy and consistencyAvailable Steiner T-Series AR Mounts MPN Scope Tube Size Center Line Inclination 5970 30mm 1.37 inches 0 MOA 5971 30mm 1.73 inches 0 MOA 5972 34mm 1.73 inches 25 MOA Steiner T-Series Cantilever Mount 30mm dia, 35mm height 5970