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Viper 4-12x40 PA

Dead-Hold BDC Reticle | 1 Inch Tube

Viper 4-12x40 PA Click to Enlarge
SKU: VPR-M-04BDC
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MSRP: $499.00
*Prices in US Dollars

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Viper 4-12x40 PA 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 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.

  • 4-12x40 riflescope is ideal for big game, long range, predator/varmint, and target applications.
  • Dead-Hold BDC reticle has a customized design that helps eliminate guesswork on hold-over and windage corrections. Good for any hunting or shooting at varying ranges where estimating hold-over would be a concern.
  • Side knob parallax adjust allows quick and easy parallax adjustments with range numbers visible while in the shooting position.



VIP Warranty XD Lens Elements XR Coatings ArmorTek Argon Purged Waterproof
Magnification4-12 x
Objective Lens Diameter40 mm
Eye Relief3.1 inches
Field of View27.1-9.2 feet/100 yards
Tube Size1 inch
Turret StyleCapped
Adjustment Graduation1/4 MOA
Travel per Rotation12 MOA
Max Elevation Adjustment57 MOA
Max Windage Adjustment57 MOA
Parallax Setting50 yards to Infinity
Length14.4 inches
Weight16.6 ounces
Product Manual (PDF)Download
Product Manual 2 (PDF)Download
Included in the Box
  • Removable lens covers
  • Lens cloth

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 1-inch 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.

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-Bar Allows rapid, easy changes in magnification.
Fast Focus Eyepiece Allows quick and easy reticle focusing.
Magnification4-12 x
Objective Lens Diameter40 mm
Eye Relief3.1 inches
Field of View27.1-9.2 feet/100 yards
Tube Size1 inch
Turret StyleCapped
Adjustment Graduation1/4 MOA
Travel per Rotation12 MOA
Max Elevation Adjustment57 MOA
Max Windage Adjustment57 MOA
Parallax Setting50 yards to Infinity
Length14.4 inches
Weight16.6 ounces
Product Manual (PDF)Download
Product Manual 2 (PDF)Download

Viper 4-12x40 Dimensions

Lengths
L1 L2 L3 L4 L5 L6
14.4 2.4 2.7 6.5 4.3 3.4
Heights
H1 H2
1.87 1.57

Dimensions measured in inches.

Dead-Hold BDC Reticle

The customized design of this reticle helps eliminate guesswork on hold-over and windage corrections. Good for hunting and shooting at varying ranges where estimating hold-over is a concern.

Subtension detail for the Viper 4-12x40 PA riflescope with Dead-Hold BDC reticle. >

Note
Read the Dead-Hold BDC Reticle manual for details on using the reticle for bullet drop compensation and wind drift compensation and ranging.

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Mounts 0.78 inches (19.81 mm) from base to center. Sold two per package.

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Compact—no larger than a pocket pen.

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