Vortex Optics Viper PST Gen I vs Gen II- [A Comprehensive Look]

Vortex Optics Viper PST Gen I vs Gen II; which one is the winner in features? Let’s find out!

Vortex offers a ton of rifle scopes with a great value that people love to have. Among these scopes, Vortex Optics Viper PST Gen I and Gen II are very popular. When it comes to choosing one from the two popular scopes, which one should you buy?

To choose the best one, you have to know the differences. In Vortex Optics Viper PST Gen i vs Gen ii, we are going to highlight the differences. Verily it will help you to pick the best one!

Key Specifications: Viper PST Gen i vs Gen ii

SpecificationsViper PST Gen IViper PST Gen II
 👉  Editors’ Best Pick
Item Dimensions (L×W×H)17.75 x 4.38 x 6.63 inches14 x 4 x 5 inches
Item weight2.7 Pounds3 Pounds
 Objective Lens Diameter 50 Millimeters24-50 Millimeters
Size 4-16×50 6-24×50  1-6×24 3-15×24 5-25×50
Reticle Options FFP and SFP FFP and SFP

4 Contrasts in Vortex Viper PST Gen-I vs Gen-II:

  1. The Vortex Optics Viper PST Gen-I (4-16×50 and 6-24×50) is available in two different sizes while the Vortex Optics Viper PST Gen-2 (1-6×24, 3-15×44, 5-25×50) is available in three different sizes.
  2. The weight of the Viper PST Gen-1 is 2.7 pounds only while the Gen-2 is 3 pounds. Depending on the sizes, the weight varies.
  3. The largest difference is in the diameter of the objective lens where the Viper PST Gen-1 lens is 50 mm and the Viper PST Gen-2 lens is 24 mm. It’s a big difference between Viper PST gen 1 and gen 2. But if you check the sizes, you will find that Gen-2 comes in 3 different sizes: 24 mm, 44 mm, and 50 mm.
  4. Vortex Viper PST I is available only in one zoom ratio which is 4x. But on the other hand, Gen II is available in a 5x or 6x zoom ratio.

Optical Quality

Vortex Viper PST Gen I: With this Gen-I rifle scope, you can magnify the targeted objects 4 times max. That’s why you can aim at the long-distance object so easily and clearly. It clearly means that this PST Gen-1 offers you a clear view with great resolution.

Vortex Viper PST Gen II: On the other hand, the Vortex Viper PST General II riflescope offers improved overall resolution, optical clarity, and greater field-of-view than the Vortex Viper PST Gen I. It has 6 times zoom-in feature for a long-distance view which is greater than the first Gen optics.

The more you will be able to magnify, the clearer view you will get. That means Gen-I offers less time magnification and Gen-II gives more time magnification. So, Gen-II is the winner in the case of optical quality.

Higher Zoom Range

Vortex Viper PST Gen I: Vortex Viper PST Gen I is designed for long-range shooting experience. It gives you a 4x and 6x zoom ratio. Which enables you to view from far. The zoom ratio is below.

  •  4-16×50 (4x zoom ratio)
  • 6-24×50 (6x zoom ratio)

Vortex Viper PST Gen II: Vortex Viper PST Gen II Riflescopes have more amplitude range fields than Viper PST Gen II Riflescopes. It offers 2 times more zoom ratio. Here are the following ratios of all sizes of Viper PST Gen-2:

  • 1-6X24 SFP (6x zoom ratio)
  • 3-15X44 SFP / 3-15X44 FFP  (5x zoom ratio)
  • 5-25X50 SFP / 5-25X50 FFP (5x zoom ratio)
In this case, you can easily see the difference between Vortex Viper Gen I and Gen II in zoom ratio.

Weight Comparison

PST Gen 1 is 2.7 Pounds which is much lightweight. On the other hand, Viper PST Gen 2 is 3 Pounds which is almost 2 times heavier than the PST Gen 2. Lightweight rifle scope gives a different feel to the use of rifles.

Here is the most important matter you have to keep in mind. Viper Gen-1 has fewer variations whereas the GEN-2 offers more variations. So, normally the weight is also different in different sizes. Check the scopes' size first.


Vortex Viper PST Gen I:  The Vortex PST Gen1 has two focal planes, FFP and SFP. But there is only one rhetorical option at PST Gen I.

This Gen-I offers you 3 different reticle styles such as EBR-1 (MOA), EBR-1 (MRAD), and EBR-2c (MOA). They all are really incredible features for hunting in a short-range.

 Vortex Viper PST Gen II: The Vortex PST Gen2 has also two focal planes, FFP and SFP. But according to the vortex engineer, the PST Gen II version has the chance to select multiple reticle options.

There are also different types of reticle options such as VMR-2 (MOA), VMR-2 (MRAD), and EBR-4 (MOA).

This difference makes it very clear that Vortex Viper PST Gen 2 is better than Viper PST Gen 1.

Other Features

Vortex Viper PST Gen I: The Vortex Optics Viper PST General Eye Riflescope does not include an open tactical style tower. Again, the CRS bin system is available.

Vortex Viper PST Gen II: The Vortex Optics Viper PST Gen II riflescopes incorporate style-based turrets to help tactical shooters quickly and easily adjust the ventilation to the correct altitude.

Vortex PST Gen 2 includes an RZR Zero Stop system in PST General that offers many benefits.

These new settings indicate that the Vortex Viper PST Gen2 has been systematically upgraded, and those updates make it more reliable.

Vortex Optics Viper PST Gen I First Focal Plane Riflescopes

Optics Viper PST Gen I

Vortex Optics Viper PST Gen II Second Focal Plane Riflescopes

Optics Viper PST Gen II


The Vortex Viper PST Gen II Rifle Scope is built on the PST Gen I model to meet everyone’s needs.

The Rotary Viper PST Gen 2 Rifle Scope provides an advanced riflescope with some essential modifications. Vortex Viper PST Gen 2 gives you a new look at your shooting skills for the incredible performance and strategic features of Riflescopes.

If You want to know about more Long Range Scope details just click here.

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