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Vortex Viper PST Gen II Riflescope



SKU:  120383536
ITEM:  PST-5251

For target acquisition in a variety of situations, use the Vortex Viper PST Gen II Riflescope. The HD optical system provides sharp resolution and limits chromatic aberration, while the XR™ Plus antireflective coating promotes light transmission for use in low-light conditions. The ArmorTek® lens coating is resistant to scratches and dirt, and the rugged shockproof construction withstands recoil and impacts. The scope is gas purged and sealed with an O-ring for waterproof and fog-proof performance, and the illumination dial allows for easy adjusting between the 10 intensity levels.

Features and Benefits

  • HD optical system provides sharpness and color fidelity for clear resolution
  • XR™ Plus antireflective coating facilitates light transmission for clarity
  • ArmorTek® exterior lens coating provides a safeguard against scratches and oil
  • 3.4-inch eye relief for comfortable viewing
  • Shockproof construction is resistant to impacts and recoil
  • O-ring sealed, gas-purged design offers waterproof and fog-proof performance
  • RZR™ Zero Stop Mechanism prevents the turret from dialing below sight-in range for reliable and precise return to zero after elevation correction
  • Illumination dial is easy to access and has 10 intensity levels with off positions between each setting


  • Eye relief (in.): 3.4
  • Field of view (ft.): 41.2 ft-8.6 ft at 100 yards (44 mm); 24.1 ft - 4.8 ft (50 mm)
  • Fog proof: Yes
  • Reticle: 4 MOA
  • Low Powered Variable Optic (LPVO): No
  • Water resistance: Waterproof
  • Manufacturer warranty - general: Lifetime
  • Objective lens diameter (mm): 44 mm (PST-3151); 50 mm (PST-5251)
  • Tube diameter (in.): 1.18

What's in the Box

  • Vortex Viper PST Gen II Riflescope