Nightforce The BEAST 5-25x56mm F1 Rifle Scope, Black - ZeroStop - 2 Speed - Mil-Radian, Mil-R Internal Adjustments: Elev- 120MOA/34.9 MIL, Wind-80MOA/ 23.7MIL Tube Diameter: 34mm Eye Relief: 3.54" Mounting Length (inches/mm): 5.92/150 Weight (ounce/gram): 40/1134