Vortex Viper
VS
Athlon Argos BTR

VS

Vortex Viper
For hunters who demand precision at extended ranges, the Vortex Viper 6.5-20x50 riflescope is a trusted tool. With its variable 6.5-20x magnification, it’s designed for accuracy at medium to long distances, making it an ideal choice for everything from whitetails to prairie predators. The 50mm objective lens and fully multi-coated optics provide bright, clear images, even in challenging lighting conditions. The Mil-Dot reticle and adjustable parallax allow for precise adjustments, giving hunters the accuracy needed to make challenging shots. Built to withstand tough environments, the Vortex Viper is shockproof, waterproof, and fog-proof. If you're aiming to extend your effective range, this scope is a powerhouse that delivers consistent performance and reliability in the field.
Athlon Argos BTR
For those getting started in the Precision Rifle Series (PRS), the Argos BTR GEN2 scopes are worth considering. Packed with high-end features, these scopes offer a versatile 4x magnification suitable for various shooting disciplines. The Precision True Zero Stop and Advanced Fully-Multi Coated Optics deliver a crystal-clear image in low-light conditions. With an exclusive XPL coating, the lenses are protected from dirt, grease, and harsh weather, while the rugged aircraft-grade aluminum tube ensures durability in any environment. The first focal plane design allows for dynamic reticle scaling as you zoom, and the illuminated reticle enhances visibility in low light. With fully multicoated optics, these scopes provide brighter images by reducing reflections and increasing light transmission.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| Vortex Viper | Vortex | Black | Deadhold-BDC (MOA) | Hunting | 2.3 Pounds | Aluminum |
| Athlon Argos BTR | Athlon | Black | APLR2 FFP IR MOA | Hunting | 51.2 Ounces | Aluminum |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| Vortex Viper | 6.5-20x | 50 yards to infinity |
| Athlon Argos BTR | 6-24X | 10 yards to infinity |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| Athlon Argos BTR | 3.5 inches | 4:1 | 6.3 - 1.5 degrees | No |
To Calculate scope clicks: Let’s check out Scope Clicks Calculator
Diameter & Tube Size
| Tube Size | Tube Diameter | Objective Diameter | |
|---|---|---|---|
| Vortex Viper | 30mm | 30mm | 50mm |
| Athlon Argos BTR | 30mm | 30mm | 50mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| Vortex Viper | Rifle | 30mm Picatinny or Weaver rails. |
| Athlon Argos BTR | Rifle | Scope rings |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| Vortex Viper | 65 MOA | 65 MOA |
| Athlon Argos BTR | APLR2 FFP IR MOA | 40 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| Athlon Argos BTR | Yes | Yes | Yes |
Accessories & Warranty
| Includes | Warranty | |
|---|---|---|
| Vortex Viper | Riflescope, Removable lens covers, Lens cloth | VIP Warranty, Lifetime |
| Athlon Argos BTR | Lens covers, sunshade, user manual | Limited lifetime warranty |



















