Vortex Viper HS 4–16x44 Rifle Scope. Vortex Viper HS riflescopes offer hunters and shooters an array of features sure to be well received. The advanced optical system, highlighted with a 4x zoom range, provides magnification versatility. A forgiving eye box with increased eye relief gets shooters on target quickly and easily. Built on an ultra-strong 30mm one-piece machined aluminium tube, the Viper HS delivers increased windage and elevation travel for optimal adjustment.

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.

CONSTRUCTION FEATURES

• Tube Size 30 mm diameter.
• Single-Piece Tube: Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness.
• Aircraft-Grade Aluminium: Constructed from a solid block of aircraft-grade aluminum for strength and rigidity.
• Waterproof: O-ring seals prevent moisture, dust and debris from penetrating the riflescope for reliable performance in all environments.
• Fogproof: Argon gas purging prevents internal fogging over a wide range of temperatures.
• Shockproof: Rugged construction withstands recoil and impact.
• Hard Anodized Finish: Highly durable low-glare matte finish 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 riflescope's left side and is easily accessible from shooting position. Provides optimal image focus and parallax removal.

INTERNAL MECHANISM DESIGN FEATURES

• 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.
• Fast Focus Eyepiece: Allows quick and easy reticle focusing.

Available Reticles: