Vortex Optics

Viper 6.5–20x50 PA Riflescope

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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 with 95 percent light transmission, heavy duty Precision Force spring systems and the glass smooth Precision Glide erector system—delivering all this and more at a price that should have pulled a few more hundreds from your wallet than it did.

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Product Details

**Shipping Information: Currently, this item doesn’t ship outside of the United States, to APO/FPO addresses, or PO Box addresses. We’re very sorry for this inconvenience.**


  • 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.


  • 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 Aluminum 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.


  • 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.


  • MAG-Bar Allows rapid, easy changes in magnification.
  • Fast Focus Eyepiece Allows quick and easy reticle focusing.