Vortex Optics Viper PST 4-16x50 FFP Rifle Scope with EBR-1 MRAD Reticle - PST-416F1-M

INTERNAL MECHANISM DESIGN FEATURES CRS Zero Stop Customizable Rotational Stop (CRS) aids in return to zero after dialing temporary elevation correction. Precision-Force Spring System Uses premium components in the erector-spring system to ensure maximum repeatability and ease of adjustment. Precision-Glide Erector System Uses premium components in the zoom lens mechanism to ensure smooth magnification changes under the harshest conditions. CONVENIENCE FEATURES MAG-View Fiber Optic Provides a highly visible reference point for the magnification setting. Radius Bar Fiber optic turret rotation indicator provides a highly visible and tactile point of reference for turret rotations.US Patent 7,937,879 Fast Focus Eyepiece Allows quick and easy reticle focusing. Family Viper PST Magnification 4-16 Objective Diameter 50mm Weight 22.4 oz Length 13.7" Focal Plane FFP Eye Relief 4.0" FOV (ft@100yd) 27.4.-7.4' Adjustment Click Rate .1 MRAD Total Elevation Adjustment 21 MRAD Total Windage Adjustment 21 MRAD Travel Per Rotation 5 MRAD Parallax Settings (yds) 50 yards to infinity Fogproof Argon Environmental Rating Waterproof ArmorTek Yes Lens Coating XR FMC Power Supply CR 2032 Bubble Level No killFLASH ARD No Sunshade 4 inch