IPX 7 Level Water Proof/Nitrogen Filled/Hold Recoil&Zero on fire arms cablibre 5.56/7.62 Free Shipping Made by 6068AL, fully restored original scope optics systems. NITROGEN FILLED AND WATERRPOOF full mil spec markings included. Fiber Glass illumination same as original RZ HD Details: Including: Scope/Geissele mount replica/Kill Flash/Lens Cover/Throw Lever RMR and RMR mount included Magnification 1-6x Objective Lens Diameter 24 mm Eye Relief 4 inches Field of View 115.2-20.5 ft/100yds Tube Size 30 mm Turret Style Low Capped Adjustment Graduation 1/2 MOA Travel Per Rotation 50 MOA Max Elevation Adjustment 150 MOA Max Windage Adjustment 150 MOA Parallax Setting 100 yards Length 10.1 inches Use CR2032 battery(not included)