VORTEX
Vortex Viper 4-12X40MM Riflescope
Vortex Viper 4-12X40MM Riflescope
Effortlessly shrugging off recoil, moisture and darkness, the Viper's status as a premium riflescope won't be as easy to shake. Discover a riflescope with incredible performance features like premium, fully multi-coated optics, heavy duty Precision Force spring systems and the glass smooth Precision Glide Erector System—delivering all this and more.
PRODUCT FEATURES
Optical Features
XD Lens Elements
Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images.
XR Fully Multi-Coated
Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.
Second Focal Plane Reticle
Scale of reticle maintains the same ideally-sized appearance. Listed reticle subtensions used for estimating range, holdover and wind drift correction are accurate at the highest magnification.
MAG-Bar, allows rapid, easy changes in magnification.
Fast Focus Eyepiece, allows quick and easy reticle focusing.
Construction Features
Tube Size
1 inch diameter tube offers a versatile blend of adjustment, size and weight for a wide variety of shooting applications.
Single-Piece Tube
Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness.
Aircraft-Grade Aluminum
Constructed from a solid block of aircraft-grade aluminum for strength and rigidity.
Waterproof, Fogproof, Shockproof
O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments.
Argon gas purging prevents internal fogging over a wide range of temperatures.
Rugged construction withstands recoil and impact.
Hard Anodized Finish
Highly durable hard-coat anodization provides a low-glare matte surface and helps camouflage the shooter's position.
ArmorTek
Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.
Capped Reset Turrets
Allow quick re-indexing of the turret (no tool needed) to zero after sighting in the riflescope. Caps provide external protection for turret.
Side Focus
Adjustment located on left side of turret housing is easily accessible from shooting position. Provides optimal image focus and parallax removal.
Precision-Force Spring System
Uses premium components in the erector-spring system to ensure maximum repeatability and ease of adjustment.
Precision-Glide Erector System
This system ensures the components in the zoom lens mechanism glide smoothly and cleanly through all magnification ranges.
Specifications:
Magnification: 4-12x
Objective Lens Diameter: 40 mm
Eye Relief: 3.1 inches
Field of View: 27.1-9.2 ft/100 yds
Tube Size: 1 inch
Turret Style: Capped
Adjustment Graduation: 1/4 MOA
Travel Per Rotation: 12 MOA
Max Elevation Adjustment: 57 MOA
Max Windage Adjustment: 57 MOA
Parallax Setting: 50 yards to infinity
Length: 14.4 inches
Weight: 16.6 oz