Vortex Viper PST Scope, 4-16x50mm SFP with EBR-1 MOA Reticle & Turrets #PST-416S1-A

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The Viper PST (Precision Shooting Tactical) riflescope boasts features associated with top-tier riflescopes at an affordable price. Matching reticle and turret measurements allow accurate, fast dialing of shots. The one-piece 30mm tube, precision-machined from a single solid block of aircraft-grade 6061-T6 aluminum, offers ample windage and elevation adjustment. Born from an intimate understanding of riflescope design, forward-thinking engineering, and open ears to a market incredibly vocal about what it wants in a riflescope, the Viper PST series delivers the performance and features tactical shooters demand at an economical price.


  • The EBR-1 (Enhanced Battle Reticle) is a hashmarked ranging reticle using MOA based subtension lines for ranging, holdover, and windage corrections.


  • 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.
  • Glass-etched Reticle - Protected between two layers of glass for optimum durability and reliability.
  • Illuminated Reticle - Provides precise aiming under low-light condition


  • Tube Size - 30 mm diameter.
  • 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 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.
  • Side Focus - Adjustment located on riflescope's left side and 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 - Uses premium components in the zoom lens mechanism to ensure smooth magnification changes under the harshest conditions.


  • 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


  • Magnification: 4-16 x
  • Objective Lens Diameter: 50 mm
  • Eye Relief: 4.0 inches
  • Field of View: 27.4-7.4 feet/100 yards
  • Tube Size: 30 mm
  • Turret Style: Tactical CRS Zero Stop
  • Adjustment Graduation: 1/4 MOA
  • Travel per Rotation: 12 MOA
  • Max Elevation Adjustment: 75 MOA
  • Max Windage Adjustment: 75 MOA
  • Parallax Setting: 50 yards to Infinity
  • Length: 13.7 inches
  • Weight: 22.4 ounces

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