Vortex Viper HD 3-15x44 SFP Riflescope, VMR-3 MRAD Reticle, 1/10 MRAD, 30mm Tube 30mm aircraft-grade single-piece aluminum tube, anodized low-glare matte black finish 44mm objective lens HD optical system ArmorTek coating protects against oil, dirt, and scratches Exposed locking elevation turret Capped windage turret RevStop Zero System 3-15X magnification system Eye relief: 3.4" Field of view: 39.9'-8' @ 100yds. Elevation range: 30.5 MRAD, in 1/10 MRAD increments Windage range: 27 MRAD, in 1/10 MRAD increments 10 MRAD per turret revolution Parallax: 20 yards to infinity VMR-3 MRAD SFP illuminated reticle 10 levels of illumination Fast-focus eyepiece Fogproof, shockproof Argon purged, O-ring sealed Includes sunshade, neoprene cover, lens cloth, custom turret tool, RevStop Zero Ring, CR2032 battery Length: 13.2" Weight: 22.5oz VIP Warranty, unlimited, lifetime, transferable