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Questions & Answers
Does this have side focus adjustment? Manufacturer Answer

This optic does indeed have a side parallax adjustment!

by Vortex, Manufacturer, February 19, 2025
What is the weight of this scope? Manufacturer Answer

The Viper-HD 3-15x44 weighs in at 21.5oz!

by Vortex, Manufacturer, November 26, 2024
Customer Reviews
Helpful Positive Review
Reliability is Paramount! by DCH2, December 26, 2024
My recent experience with Leupold has made me a Vortex customer for life! I've always used both Leupold and Vortex on a variety of rifles. Vortex has proven to be supreme. This particular scope is by far the best bang for the buck. The clarity, weig...
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5/5 found this helpful
Helpful Positive Review
Viper HD 3-15-44 by Rob, Verified Owner, November 29, 2025
I purchased several viper hs 2.5-10-44 a few years back on recommendation from vortex tech staff and love them. I purchased my first viper hd 3-15-44 last year, great glass, simple reticle, dial turret w / resettable zero, parallax and eye box adj., ...
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1/1 found this helpful
Helpful Positive Review
Great Optic by Man in blue, Verified Owner, October 25, 2024
This optic was purchased for my Sig 716 .308 rifle. The glass is clear and bright and the sun shade is a major game changer when shooting into the rising sun in the early morning hours.
2/2 found this helpful
Helpful Positive Review
Nice but…. by Phillip Guo, July 30, 2024
Very surprised how clear the scope is. The only downfall was it did not come with a scope lever. ALL MANUFACTURERS needs to include a scope lever
4/22 found this helpful
Helpful Positive Review
So far so good by Flash, Verified Owner, January 6, 2025
Great glass, no issues holding zero on both a 270 and 6.5 PRC rifle.
1/2 found this helpful
Helpful Positive Review
Fits my needs perfectly by Sherlocbonz, Verified Owner, September 6, 2024
I'm in the process of doing an all Kidd 10/22 clone for casual bench shooting and plinking. I wanted to put on a red dot but after coming to grips with the fact I can't see well enough for 50yd shots much less 100yd, I went on a quest for a scope. ...
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1/1 found this helpful
Read All 34 Reviews
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Product Info for Vortex Viper HD 3-15x44 Rifle Scope, 30mm Tube, Second Focal Plane

When success rides on the perfect shot, rely on the exceptional versatility and optical performance of Viper HD. From big game to predators, theres a proven model for every hunting application. Each member of the Viper HD family delivers outstanding image clarity, resolution, and sharpness to ensure your target comes into view with sharp detail. Viper HD also boasts enhanced features for unmatched accuracy at extended ranges while also excelling in the low light of dawn and dusk when game is most active.image

Specifications for Vortex Viper HD 3-15x44 Rifle Scope, 30mm Tube, Second Focal Plane:

Manufacturer: Vortex
Objective Lens Diameter: 44 mm
Magnification: 3 - 15 x
Tube Diameter: 30 mm
Reticle Focal Plane: Second Focal Plane (SFP)
Field of View, Linear: 39.9 - 8 ft at 100 yds
Eye Relief: 3.4 in
Color: Black
Length: 13.2 in
Parallax: 20 yds to infinity
Illumination Type: LED
Battery Type: CR2032
Width: 3.75 in
Fabric/Material: Aircraft Grade Aluminum
Height: 4.5 in
Optical Coating: Fully Multi-Coated
Shockproof: Yes
Fogproof: Yes
Gun Type: Rifle

Features of Vortex Viper HD 3-15x44 Rifle Scope, 30mm Tube, Second Focal Plane

  • Optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edge-to-edge sharpness and light transmission.
  • Provides precise aiming under low-light conditions.
  • For increased travel.
  • Integrated locking mechanism prevents accidental adjustments. Elevation turret provides fast, accurate, easily read elevation adjustments.
  • Scale of reticle remains in proportion to the zoomed image. Constant subtensions allow accurate holdover and ranging at all magnifications.
  • For a rock-solid return to zero after turret adjustments.
  • Anti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance.
  • Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.
  • Gas purged and O-ring sealed for fogproof and waterproof performance in all conditions.
  • Allows quick and easy reticle focusing.
  • Constructed from a solid block of aircraft-grade aluminum for strength and rigidity.
  • Low Glare Matte Black Anodize Corrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter's position.
  • Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness.
  • Designed to withstand harsh weather conditions.
  • Nitrogen gas purging prevents internal fogging over a wide range of temperatures.
  • Designed to withstand the highest levels of recoil and impact.

Package Contents:

  • Vortex Viper HD 3-15x44 Rifle Scope, 30mm Tube, Second Focal Plane
  • Neoprene Cover
  • Sunshade
  • RevStop Zero Ring
  • Custom Turret Tool
  • CR2032 Battery
  • Lens Cloth

Vortex Viper HD 3-15x44 Rifle Scope, 30mm Tube, Second Focal Plane Orderable Models

List of Orderable Models

  • Vortex Viper HD 3-15x44 Rifle Scope, 30mm Tube, Second Focal Plane, VMR-3 MRAD Reticle, Black, 13.2in, 22.5oz, VPR-31503 , MPN: VPR-31503 , UPC: 843829136945 , Code: VX-RS-NBG2-VPR-31503
  • Vortex Viper HD 3-15x44 Rifle Scope, 30mm Tube, Second Focal Plane, Dead-Hold BDC MOA Reticle, Black, 13.2in, 21.5oz, VPR-31501 , MPN: VPR-31501 , UPC: 843829136921 , Code: VX-RS-NBG2-VPR-31501
  • Vortex Viper HD 3-15x44 Rifle Scope, 30mm Tube, Second Focal Plane, VMR-3 MOA Reticle, Black, 13.2in, 22.5oz, VPR-31502 , MPN: VPR-31502 , UPC: 843829136938 , Code: VX-RS-NBG2-VPR-31502
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