Nightforce Optics ATACR 4-20x50 F1, Mil-C Reticle, Rifle Scope

The 4-20x50 F1 rifle scope fills an important magnification range in the ATACR line. Equally at home atop a bolt action or a semi-automatic rifle, the 4-20x50 F1 is smaller and lighter than the 5-25x56 F1. With Digillum, a ZeroStop turret, power throw lever, ED lenses, and 20x magnification, the ATACR 4-20x50 F1 is Nightforce's apex mid-power scope.Specifications:Magnification Range: 4-20xFocal Plane: First Focal PlaneBody Tube Diameter: 34mmOverall Length: 13.9"Mounting Length: 5.9"Weight: 35.2ozClick Value: 0.250 MOA or 0.1 MRADInternal Adjustment Range: Elevation: 130 MOA / 38 MRADWindage: 100 MOA / 29 MRADParallax Adjustment: 11 Yards to InfinityEye Relief: 3.5"Field of View @ 100 Yards: 4x = 23.6 ft20x = 6.1 ftExit Pupil: 4x = 8.3mm20x = 2.5mmIllumination: DigillumElevation Feature: ZeroStopPower Throw Lever: Standard