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Questions & Answers
Is the bell/ doubler removable? Can I run it without the bell as a 1.25 - 5 Power scope? Expert Answer

You cannot remove the bell, and it does not have an adjustable objective.

by Bethany Kopel, Gear Expert, February 6, 2021
How would .308(AR10) do with this scope? Expert Answer

The OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope will withstand the recoil from a .308 rifle. It uses the EBR-1 (Enhanced Battle Reticle) which is a hashmarked ranging reticle using MOA based subtension lines for ranging, holdover, and windage corrections.

by Ethan, Gear Expert, June 21, 2023
Customer Reviews
Helpful Positive Review Viper PST 2.5-10x44 Rifle Scope 30mm Tube Second Focal Plane by NSASarge, Verified Owner, May 20, 2024
Mounted on my 20" heavy barrel flat top Bushmaster 5.56mm 1/9 twist with an adjustable low profile gas block. The Vortex Viper PST 2.5-10x44 Rifle Scope was saddled in a Monstrum Ultra Series Precision Offset Picatinny Scope Mount. Picatinny nuts wer...
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1/1 found this helpful
Helpful Positive Review Fantastic performance for the prior-gen model by Rob K., Verified Owner, June 3, 2023
I've picked up a handful of these prior-gen Viper 2.5-10 models as I have found then on sale. Seeing that OP apparently managed to find a batch (somewhere) had me reaching for the card and putting one in the cart. As with my prior purchases of this ...
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6/6 found this helpful
Helpful Positive Review Great scope for tactical setup by Stan, Verified Owner, February 27, 2016
Scope has a lot of nice extras for the price. Low and medium end magnification is crystal clear and nice consistent eye box. At 10x, the eye box is noticeably smaller with a bit of haze to the picture. If you really want something up to a usable 1...
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5/6 found this helpful
Helpful Positive Review Vortex Viper PST 2.5-10x44 Good to Go by Legacy Reviewer, Verified Owner, August 8, 2011
I bought this scope to go on my varmint rifle and mounted it in a GG&G one piece mount. Very sturdy! Clear glass, very satisfied. No problems with retaining zero. Illumination does not wash out image, very clean illumination lines. Turrets are c...
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19/19 found this helpful
Helpful Positive Review Very good quality by KS, May 29, 2021
Mounted on a MK12 Mod 0 clone as I did not feel the need to spend $1,000+ for a Leupold or Nightforce but did not want to compromise on quality and durability. Excellent scope for the money, extremely clear glass (rivaling the Leupolds I was issued a...
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3/3 found this helpful
Helpful Positive Review Decent scope for the money by Legacy Reviewer, Verified Owner, February 11, 2012
With a parallax adjustment (side focus), this scope would be near perfect for my needs. At 10X, it's nice to have the adjustment available. Pros: Clear optics, robust construction, nice looking reticle, sturdy adjustment knobs Cons: Parallax adjust...
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6/6 found this helpful
Read All 63 Reviews
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Reticle: EBR-1 MOA Tube Diameter: 30 mmReticle Focal Plane: Second Focal Plane (SFP) Illumination Color: Red Finish: Matte Color: Black Weight: 18.4 ozAdjustment Click Value: 0.25 MOAAdjustment Type: MOA Illumination Type: LED Included Accessories: 4-inch sunshade , CR2032 Battery , CRS Shims , Lens Cloth Condition: New W/E Travel at 100 Yds: 86 MOA

Code: VX-RS-VPR25-PST-210S1-A

MPN: PST-210S1-A

UPC: 875874002791

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$699.00Save 43%
$399.99

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Product Info for OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope, 30mm Tube, Second Focal Plane (SFP)

Affordable and ergonomic, the premium Vortex Viper PST 2.5-10x44mm Rifle Scope is the top-tier addition to any firearm. These Rifle Scopes from the innovators at Vortex Optics feature XR fully multi-coated lenses for a more accurate, and fast dialing shot. With a waterproof, shockproof, and fogproof design, the Vortex Viper EBR-1 (MOA) Reticle Rifle Scope can withstand drops and go with you in nearly any climate. Quickly zero in on targets with a fast-focus eyepiece for split second shots and maximum repeatability in firings. This one piece designed Vortex Viper 30 mm Tube Rifle Scope delivers big things in performance, speed, and price.image

Specifications for OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope, 30mm Tube, Second Focal Plane (SFP):

Manufacturer: Vortex
Objective Lens Diameter: 44 mm
Magnification: 2.5 - 10 x
Reticle: EBR-1 MOA
Tube Diameter: 30 mm
Reticle Focal Plane: Second Focal Plane (SFP)
Illumination Color: Red
Finish: Matte
Field of View, Linear: 10.9 - 47 ft at 100 yds
Eye Relief: 4 in
Color: Black
Weight: 18.4 oz
Adjustment Click Value: 0.25 MOA
Length: 12 in
Adjustment Type: MOA
Parallax: 100 yds
Illumination Type: LED
Fabric/Material: 6061-T6 Aluminum
Adjustment Range: 29 Mil Rad
Included Accessories: CRS Shims, 4-inch sunshade, CR2032 Battery, Lens Cloth
Magnification Type: Variable
Condition: New
W/E Travel at 100 Yds: 86 MOA

Features of OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope, 30mm Tube, Second Focal Plane (SFP):

  • VIP Unconditional Lifetime Warranty;
  • Optically Indexed Lenses Delivers optimum image sharpness and brightness with true reticle use for full ranging and holdover from edge to edge because of computer-controlled alignment during construction;
  • XD Lens Elements Extra-low dispersion (XD) glass enhances resolution, color, and contrast;
  • XR Lens Coatings Vortex XR proprietary anti-reflection lens coatings increase light transmission with multiple coatings on all air-to-glass surfaces;
  • 30 mm Tube Provides greater strength and wider adjustment lattitude as compared to a 1-inch tube;
  • One-Piece Tube Maximizes alignment for improved accuracy and optimum visual performance as well as strength and waterproofness;
  • Aircraft-Grade Aluminum Construction from a solid block of 6061-T6 aircraft-grade aluminum delivers increased strength and rigidity;
  • Waterproof O-ring seals prevent moisture, dust, and debris from getting inside the tube for reliable performance in all environments;
  • Fogproof Filled with argon gas to inhibit internal fogging over a wide range of temperatures;
  • Shockproof Lenses are locked in place, fore and aft, with machined locking rings to remain in perfect alignment and resist impact;
  • Hard Anodized Finish Type-3 hard-coat anodization is durable; the low-glare matte helps camouflage the shooter's position;
  • ArmorTek Ultra-hard, scratch-resistant coating repels oils and corrosive salts on outer glass surfaces;
  • CRS Zero Stop Customizable Rotational Stop (CRS) prevents dialing more than one rotation below your zero so you don't lose the zero when dialing large amounts of elevation corrections. Patent pending;
  • Tall Uncapped Turrets Make range calculation and shooting adjustments fast and accurate with subtension marks that match the reticle;
  • Single Spring Construction Fully constrains (without over-constraining) the optical system for predictable, improved accuracy throughout the range of elevation adjustment;
  • Glass-etched Reticle Protected between two layers of glass (not made from wire) for optimum durability and reliability;
  • Illuminated Reticle Electronic illumination aids in low light visibility of reticle. Battery included;
  • Illumination Control Can be turned on or off with a single click between each intensity level - allowing access to a preferred illumination setting without having to progress through each intensity level. Positioned at 45 degrees off the left side of the eyepiece for easy adjustment without blocking view of the turret setting or magnification;
  • MagView Bar Combines a fiber optics magnification indicator with raised rear-facing magnification references for clear viewing in low light conditions. Patent pending;
  • Radius Bar Fiber optic turret rotation indicator provides illuminated and tactile point of reference for turret rotations. Patent pending.
  • Fast Focus Eyepiece Allows quick and easy reticle focusing

Package Contents:

  • OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope, 30mm Tube, Second Focal Plane (SFP)
  • 4-inch Sunshade
  • CR2032 Battery
  • CRS Shims
  • Lens Cloth

OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope, 30mm Tube, Second Focal Plane (SFP) Orderable Models

List of Orderable Models

OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope, 30mm Tube, Second Focal Plane, EBR1-MOA Reticle, Matte, Black, PST-210S1-A , MPN: PST-210S1-A , UPC: 875874002791 , Code: VX-RS-VPR25-PST-210S1-A

OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope, 30mm Tube, Second Focal Plane (SFP) Unavailable & Discontinued Models

List of Unorderable Models

DEMO, OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44 Rifle Scope, 30mm Tube, Second Focal Plane, EBR1-MOA Reticle, Matte, Black, PST-210S1-A , MPN: PST-210S1-A-DEMO , Code: VX-RS-VPR25-PST-210S1-A-DEMO
Vortex Viper PST 2.5-10x44 Rifle Scope , MPN: PST-210S1-M , UPC: 875874002784 , Code: VX-RS-VPR25-PST-210S1-M
Vortex Viper PST 2.5-10x44 Rifle Scope w/Vortex Defender Flip Cap Objective Lens 44,48-53 mm, Black O-44 , MPN: PST-210S1-A-KIT1 , UPC: 875874002791 , Code: VX-RS-VPR25-PST-210S1-A-KIT1
Vortex Viper PST 2.5-10x44 Rifle Scope w/Vortex Defender Flip Cap Objective Lens 44,48-53 mm, Black O-44 , MPN: PST-210S1-M-KIT1 , Code: VX-RS-VPR25-PST-210S1-M-KIT1
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