Viper HSLR 4-16x50

Viper® HSLR

Dead-Hold BDC (MOA) Reticle | 30 mm Tube
Viper HSLR 4-16x50 is rated 4.9 out of 5 by 181.
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MSRP $899.99


Want to extend your effective shooting range at distances where bullet drop and wind drift become critical? Take a look at the Viper HSLR riflescope. The LR stands for long range - and we mean it. This riflescope features an exposed target-style elevation turret built for dialing elevation at extended ranges. The capped windage turret maintains the scope’s sleek lines and prevent it from hanging up on clothing, rifle cases or pack scabbards.

Viper HSLR riflescopes feature an advanced optical system highlighted with a 4x zoom range for 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 aluminum tube for increased windage and elevation travel and optimal adjustment.

Build Your Own Custom Turret - Kenton Industries

Viper HSLR 4-16x50 Dimensions (in inches)
L1 L2 L3 L4 L5 L6
13.56 2.1 2.21 5.65 4.31 3.6
H1 H2
2.26 1.65
Included in the Box
  • Protective lens caps
  • 4-inch sunshade
  • Lens cloth
Magnification 4-16x
Objective Lens Diameter 50 mm
Eye Relief 4.0 inches
Field of View 27.4-7.4 ft/100 yds
Tube Size 30 mm
Elevation Turret Style Tactical
Windage Turret Style Capped
Elevation Adjustment Graduation 1/2 MOA
Windage Adjustment Graduation 1/4 MOA
Elevation Travel Per Rotation 24 MOA
Windage Travel Per Rotation 12 MOA
Max Elevation Adjustment 75 MOA
Max Windage Adjustment 50 MOA
Parallax Setting 50 yards to infinity
Length 13.56 inches
Weight 21.2 oz
Product Manual (PDF) Download
Reticle Manual (PDF) Download
Parts Diagram (PDF) Download
Vortex Lifestyle Image




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 provides maximized internal adjustment and strength.
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 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 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.
Tactical Elevation Turret Exposed elevation turret provides fast, accurate and easily read elevation adjustments. Capped windage turret.
Side Focus Adjustment located on left side of turret housing is easily accessible from shooting position. Provides optimal image focus and parallax removal.


CRS™ Zero Stop Customizable Rotational Stop (CRS) aids in return to zero after dialing temporary elevation correction.
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.


MAG-View Fiber Optic Provides a highly visible reference point for the magnification setting.
Radius Bar Fiber optic turret rotation indicator provides a highly visible and tactile point of reference for turret rotations.
Fast Focus Eyepiece Allows quick and easy reticle focusing.



Customized hashmark design helps eliminate guesswork on holdover and windage corrections. Good for hunting/shooting at varying ranges where estimating holdover is a concern.

Subtension detail for Viper HS LR 4-16x50 riflescope with Dead-Hold BDC MOA reticle.



Rated 5 out of 5 by from Bought a second one for my personal rifle. Bought it for my daughters 270 WSM, after install and sight in at 100 yrds we ordered the custom turret from Kenton industries and after a couple of weeks we received the turret. After a quick double check of the zero we installed the turret. We started at 400 yrds and started to check the accuracy of the different yardages I was more than suprised that we were spot on at 870 yrds. This scope has not only impressed me but my daughter confidence at ranges we normally wouldn't shoot has increased. I have just purchased the same scope for my own gun. Thanks for making great product with a warenty that is second to none.
Date published: 2017-06-15
Rated 5 out of 5 by from No doubt this one will sit on my best rig forever... I absolutely love this scope. When I was ready to step it up a notch with my optics, I knew I was going with vortex for their incredible warranty. I wanted to good hunting scope that would handle Texas Whitetail at 100yds and Western Elk at 300yds. I was not disappointed with this scope. The Clarity and Durability are top notch. I am not one to be able to drop several thousand on a extremly high in scope, but you get what you pay for. This was a great option for a budget minded hunter in look for a top notch optic that wasn't​ going to take a few years to pay off. This will last a lifetime, and I am extremely pleased.
Date published: 2017-06-15
Rated 5 out of 5 by from More bang for your buck I’m new to hunting. I’m 37 and never owned my own rifle/gun. Living in the age of information, it was easy to put in hours of research. I decided to spend my hard earned money, I think, on a great rifle scope combo. My first rifle/gun ever is a Bergara B-14 hunter 7mm rem mag. Priced at around $700. It’s paired with the Vortex Viper hslr 16x50 scope. Priced at around $750. I decided On this scope for 2 reasons. Long distance target practice and hunting. I’ve been able to hit targets at 500 yards so far. Great glass for the money spent.
Date published: 2018-03-26
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