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Vortex Optics

Vortex Viper PST GEN II 5-25x50 MOA Rifle Scope

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Vortex Viper PST GEN II 5-25x50 MOA Rifle Scope

$1,800.00
RRP: $1,850.00
(You save $50.00 (3%))
  • SKU: EV-VOPST5251
  • MPN: VOPST5251
  • Availability: Pickup NOT Available | Usually posted within 1 business day
  • Shipping: Calculated at Checkout
  • Magnification: 5-25x
  • Objective Lens: 50mm
  • Eye Relief: 3.4"
  • Field of View: 24.1-4.8 feet/100 yards
  • Tube Size: 30mm
  • Turret Style: Tactical RZR Zero Stop
  • Adjustment Graduation: 1/4 MOA
  • Max Elevation Adjustment: 70 MOA
  • Max Windage Adjustment: 35 MOA
  • Parallax Setting: 25 yards to Infinity
  • Length: 406mm
  • Weight: 884g
  • VIP Unconditional Lifetime Warranty: Yes
Availability: Pickup NOT Available | Usually posted within 1 business day
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Description

This updated favourite 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 reticle offers shooters highly functional, intuitive, and detailed hold points, yet remains uncluttered for optimal viewing and features. There are 10 intensity levels with off positions between each, for a fast return to your previous setting.

EBR-4 RETICLE (MOA)

  • Hash-marked ranging reticle using MOA or MRAD based subtension lines for ranging, holdover, and windage corrections.

Optical Features:

  • XD Lens Elements - Extra low dispersion (XD) glass increases resolution and colour 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.
  • Glass Etched Reticle - Protected between two layers of glass for optimum durability and reliability.
  • Illuminated Reticle - Provides precise aiming under low light conditions.

Construction Features:

  • 30mm Tube - Provides greater strength and wider adjustment latitude when compared to a 1 inch tube.
  • One Piece Tube - Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and water resistance.
  • Aircraft Grade Aluminium - Constructed from a solid block of aircraft grade aluminium 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.
  • Tactical Style Turrets - Exposed turrets provide fast, accurate and easily read elevation and windage adjustments.

Internal Mechanism Design:

  • RZR Zero Stop - Zero Stop mechanism prevents the turret from dialing below sight in range.
  • 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:

  • Radius Bar - Fibre optic turret rotation indicator provides a highly visible and tactile point of reference for turret rotations. US Patent 7,937,879
  • Fast Focus Eyepiece - Allows quick and easy reticle focusing.
  • Built In Accuracy Features - Matching MOA turrets and reticles facilitate fast and accurate shooting at extended ranges.

Specifications:

  • Magnification - 5-25x
  • Objective Lens Diameter - 50mm
  • Eye Relief - 3.4"
  • Field of View - 24.1-4.8 feet/100 yards
  • Tube Size - 30mm
  • Turret Style - Tactical RZR Zero Stop
  • 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 - 40.6cm (16")
  • Weight - 884g (31.2oz)

 

Breakdown of MOA and MRAD:

  • MOA (Minute of Angle)
    • What it is: MOA is a unit of angular measurement that is commonly used for adjusting rifle scopes and calculating shot placement. One MOA equals 1/60th of a degree.
    • How it works: At 100 yards, 1 MOA equals approximately 1.047 inches (usually rounded to 1 inch for simplicity).
    • Usage: Scopes with MOA adjustments typically allow you to "click" the scope turrets in small increments to move the point of impact. A typical adjustment might be ¼ MOA per click, meaning each click moves the point of impact about 0.25 inches at 100 yards.
    • Why it matters: MOA is useful for fine adjustments, particularly for precision shooting at long distances.
  • MRAD (Milliradian or Mil)
    • What it is: MRAD (often just called "mil") is another unit of angular measurement. One mil is 1/1000th of a radian, and at 100 yards, 1 mil equals 3.6 inches.
    • How it works: Scopes with MRAD adjustments allow you to click in mil increments (often 0.1 mil per click), which corresponds to moving the point of impact by 0.36 inches at 100 yards.
    • Usage: Like MOA, MRAD is used for adjusting windage and elevation on scopes. It’s more common in military and long-range precision shooting.
    • Why it matters: MRAD is often preferred for its simpler math (1 mil at 100 yards is 3.6 inches, at 1000 yards, it’s 36 inches).

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