The Viper PST Gen II hands an unfair advantage to shooters who seek to keep the upper hand in every situation from close quarters to long-range shots. The illumination dial is cleanly integrated into the side focus adjustment knob for easy access and streamlined performance. The glass-etched reticle offers shooters highly functional, intuitive, and detailed hold points, yet remains uncluttered for optimal viewing and features 10 intensity levels with off positions between each setting.
Included in the Box
- CR2032 battery
- Lens cloth
- 2 mm hex wrench
- 3" sunshade
| Magnification | 5-25x |
| Objective Lens Diameter | 50 mm |
| Eye Relief | 3.4 inches |
| Field of View | 24.1-4.8 ft/100 yds |
| Tube Size | 30 mm |
| Turret Style | Tactical |
| Adjustment Graduation |
1/4 MOA |
| Travel Per Rotation | 25 MOA |
| Max Elevation Adjustment |
70 MOA |
| Max Windage Adjustment | 35 MOA |
| Parallax Setting | 25 yards to infinity |
| Length | 16 inches |
| Weight | 31.2 oz |
Key Construction Features
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XD™ Lens Elements - Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images.
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XR™ Fully Multi-Coated - Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.
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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.
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Glass-Etched Reticle - Allows for intricate reticle design. Protected between two layers of glass for optimum durability and reliability.
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Illuminated Reticle - Provides precise aiming under low-light conditions
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Tube Size - 30 mm diameter provides maximized internal adjustment and strength.
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Single-Piece Tube - Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness.
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Aircraft-Grade Aluminum - Constructed from a solid block of aircraft-grade aluminum for strength and rigidity.
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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.
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Shockproof - Rugged construction withstands recoil and impact.
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Hard Anodized - Finish Highly durable hard-coat anodization provides a low-glare matte surface and helps camouflage the shooter's position.
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ArmorTek® - Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.
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Tactical-Style Turrets - Exposed turrets provide fast, accurate and easily read elevation and windage adjustments.
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RZR™ Zero Stop Rapid Zero Return (RZR) - feature stops the turret from dialing below sight in range using rugged steel components. Internal mechanisms stay free of sand, dirt, dust, moisture and other foreign materials - even when setting the zero-stop position.
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Precision-Force Spring System - Uses premium components in the erector-spring system to ensure maximum repeatability and ease of adjustment.
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Precision-Glide Erector System - This system ensures the components in the zoom lens mechanism glide smoothly and cleanly through all magnification ranges.
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EBR-4 (MOA) Hash-marked ranging reticle using MOA or MRAD based subtension lines for ranging, holdover, and windage corrections.
Product Manual (PDF) - DOWNLOAD
MOA Reticle Manual (PDF) DOWNLOAD
Vortex Optics Viper PST Gen II 5-25x50 Riflescope SFP EBR-4 MOA Manufacturer Part # PST-5251 UPC-875874007505
Vortex Optics Viper PST Gen II 5-25x50 SFP EBR-4 MOA Riflescope FAQ
The Vortex Optics Viper PST Gen II 5-25x50 SFP EBR-4 MOA Riflescope is built for precision long-range shooting, predator hunting, target shooting and competition. Its versatile 5-25x magnification range allows shooters to engage targets from medium to extreme distances, while the premium optical system delivers exceptional clarity and resolution for accurate shot placement.
The EBR-4 MOA second focal plane reticle maintains the same visible size throughout the entire magnification range, making it easy to see and use at any power setting. The reticle provides MOA-based holdover and windage references for precise shooting, with subtensions calibrated for accurate use at the designated magnification specified by Vortex.
Yes. The Viper PST Gen II 5-25x50 SFP is an excellent choice for predator hunters targeting coyotes, foxes and bobcats in open country. Its high-quality optical system provides sharp image quality and dependable low-light performance, while the illuminated EBR-4 MOA reticle helps hunters quickly acquire targets during the critical dawn and dusk hours.
The Vortex Viper PST Gen II combines premium XD glass, an illuminated EBR-4 MOA reticle, precision exposed tactical turrets and a rugged 30 mm aircraft-grade aluminum tube into a dependable long-range optic. Its repeatable tracking, durable construction and outstanding optical performance make it a trusted choice for hunters, competitive shooters and precision rifle enthusiasts alike.
