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Robbie
May 7, 2025
8
min read

Full Review Of The Vortex Viper Enclosed Red Dot

We’ve been turkey hunting with red dots for years, so when we saw these brand new, fully-enclosed shotgun-ready red dots from Vortex at the NWTF convention, we knew we had to try them.

5.0

Around here, we’re big believers in the versatility and speed a good red dot sight brings to the table.

There’s just something about having that crisp dot on a gobbler’s neck at 40 yards that gives me all the confidence in the world. I’ve even dabbled in skeet shooting with a red dot just to see how well it could track fast-moving targets — and surprisingly, it held its own.

The NEW Vortex Viper Enclosed Red Dot with Integrated Low Profile Mount

So when Vortex announced the new Viper Shotgun Enclosed Red Dot, we knew we wanted to give them a review. A fully enclosed, shotgun-specific optic built to handle the abuse of heavy turkey loads and bad weather? That checks every box for me.

I’ve been testing it over the last couple of months, and in this review, I’ll explain how it’s performed in the turkey woods and at the range to help determine whether it’s worth adding to your shotgun setup.

Let’s get into it.

Specs of the Vortex Viper Shotgun Enclosed Red Dot

Lightweight and small profile doesn't add much to your gun

Size: 4.86” long, 1.32” wide, and 1.15” tall

Weight: 2.14 oz

Dot Color: Bright Red

Dot Size: 3 MOA DOT, 32 MOA CIRCLE, 65 MOA CIRCLE

Battery: CR2032

Battery Run Time: 50,000 hrs.

Mounting Footprint: Integrated - For Drilled and Tapped Shotguns

MSRP: $430 for the single dot and $500 for the multi-reticle, but MidwayUSA has them for $300 and $350

Two Different Offerings of the Viper Enclosed Red Dot

One with a single reticle option, a 3 MOA red dot. The second is a multi-reticle option featuring a 3 MOA Dot, a 32 MOA circle, and a 65 MOA circle, making seven different reticle options for this one.

Single 3 MOA Dot or a Multi-Reticle offering with up to 7 different combinations

The 32 MOA circle is supposed to match the pattern of a full choke, meaning that if the turkey’s head is close to filling that circle, there should be minimal floppage when you squeeze the trigger.

While the 32 MOA circle is for more precise shooting, the 65 MOA circle keeps the wing or skeet shooter in mind. It matches the pattern on a modified choke and is for targets at closer ranges. If you haven’t tried duck hunting or skeet shooting with a red dot, now may be the time!

Will it Fit My Gun?

One integral feature of the Viper is that the mount is part of the red dot, so you don’t have to purchase a separate rail or mount. The guys at Vortex said it was designed to fit on many drilled and tapped shotguns (as many as 47 different models already), except for the Stevens brand, because of the stud on top of the barrel.

They do have a compatibility chart on the Vortex website just to be sure it will fit, but the spacing on the mount is such that you should be able to align it with the holes on your shotgun to get it where you want it and get at least two screws in place. It comes with four sets of the most commonly needed screws, too, that, again, should fit almost every shotgun.

Vortex makes it easy to find your shotgun

We’ve mounted it on two different shotguns (the Mossberg SA-28 and Winchester SXP 20 gauge), and the process was straightforward.

I scanned the QR code and chose the appropriate screws for each gun. Then, I figured out that while only two screws would fit in the Mossberg SA-28,  three screws would fit the mount on top of the Winchester SXP. Vortex gives you detailed instructions on mounting it, so it’s pretty simple.

They mean for this to mainly be a shotgun red dot, hence the name. We haven’t tried mounting it on anything else because we’re turkey hunting with them! But, if a revolver or a rifle were drilled and tapped, I wonder if it would fit.

Remember that this probably isn’t the red dot you want when switching back and forth from pistols to shotguns. Once again, hence the name.

What Does Vortex Say it is Best Used For?

We've mainly used it in the turkey woods this spring

The Viper Enclosed Shotgun Red Dot is purpose-built for the fast pace of turkey hunting and wing-shooting. Based on the integrated mount design, its Ultra-low profile allows the red dot to sit low on your shotgun.

In many cases, adding a rail and the proper mount for your red dot can make it much more challenging to get a solid cheek weld on the stock. Vortex solves this problem based on the low-profile integrated mount design mentioned above. It gives you an actual, natural cheek weld and makes it easy to quickly get in the proper position.

Plus, the wide field of view lets you easily keep both eyes open, making target acquisition significantly easier.

With Unlimited eye relief, you don’t necessarily have to be in a perfect position to align your reticle with your target.

This picture was obviously behind the stock and the red dot is still easily visible

This brings us to the Viper Enclosed dot’s next main selling point, “Parallax Free.”

We compared the parallax of this red dot to others we have, and I would say it’s comparable when it’s on the single-dot setting. They say that it “meets the industry standard” for being parallax-free, implying there could be a reasonable amount of parallax.

While most of the online reviews for the Viper Enclosed dot are favorable, several people think it has too much parallax. That may be because they anticipated zero movement or because their model had a lot more than ours, but like I mentioned, it’s comparable to others we’ve used.

Multiple reticle options, but the more light on the screen, the harder it is for me to see clearly

This section wouldn’t be complete without mentioning the circle reticle options. Because of my astigmatism, I find using them difficult. There is a little more distortion when it’s on the brightest setting, but I don’t think it would be enough to make me miss my target. The more light in the field of view, the more distortion I see. But, I only mention this because I feel there is a slightly more noticeable parallax when using the circle reticle options than the single dot option.

Extra Features

  • 12 brightness settings, so it’s suitable for all light conditions
    • And the buttons are right on top, so it’s easy to adjust.
    • Auto brightness would be a fantastic addition someday, but it’s easy enough to adjust based on the available light. Just don’t forget to check it
Large, easy to adjust brightness buttons on top
  • The zero and windage knobs are easy to get to as well.
    • When we first put it on the Winchester SXP, we couldn’t get the elevation to adjust low enough, but after we ran it up and down a few times, it gave us enough adjustment.
    • From there, zeroing is simple.
    • Plus, it comes with the perfect tool for adjusting zero points, mounting to the gun, and removing the battery compartment cover.
Comes with tool for mounting, opening battery compartment, and windage/elevation adjustments
  • Battery life of over 50,000 hours.
    • 10-min auto-shutoff with shake awake that helps save battery life.
    • You can disable the auto-shutoff if you would rather not have to move the gun to wake it up while hunting.
  • Waterproof, fogproof, shockproof, and comes with a protective cover.
  • Vortex VIP warranty: If your device quits working for any reason, they will repair or replace it—no receipt or proof of purchase is needed, so that peace of mind is always nice.

How does it work in the field?

We've had some great hunts with the Viper Enclosed Dot already!

Now, I’m not saying that putting one of these Vipers on your shotgun will automatically mean you’ll kill a turkey, but we sure have been! So far, four different turkeys have fallen at the hands of our Vortex Viper Enclosed Red Dots. We’ve had a lot of fun in the turkey woods this spring, and most of it has included these red dots.

I haven’t found anything I dislike about these red dots, and they’ve performed in the field all spring, not to mention the immense amounts of shooting we did for pattern testing videos before the season. Even while sitting in the rain, Adrian mentioned that she could easily see through the dot when it was wet and only wiped the water off the front lens because she had the time.

Pros & Cons

Pros
  • The ultra low profile design keeps the dot low on the shotgun allowing a natural cheek weld
  • Enclosed red dot keeps out water and mud while you're in the field
  • 50,000 hour battery life with auto-shutoff and shake awake capabilities
  • Vortex VIP Warranty is hassle-free
  • Fits a variety of drilled and tapped guns
  • Muliple reticle options
Cons
  • MSRP is $430 and $500, but don't pay too much. We have found them for $300 and $350
  • There may be drilled and tapped shotguns it won't fit
  • Was only able to get 2 screws in the mount on the Mossberg SA-28, but it has held true through pattern testing
  • Initially wasn't enough elevation adjustment for the Winchester SXP, but after some adjustments, it worked fine

FAQs

Q: Will this dot fit my shotgun?

A: Check the Vortex website compatibility chart for more information: HERE's the Chart.

Q: Are the screws long enough to work on a Beretta A300 due to the groove in the top of the receiver?

A: We actually have longer screws that we can send out if they are needed for this! If you need some just call Vortex customer service.

Q: Does the hole pattern match drilled and tapped receivers on modern lever action rifles?

A: On some it can! Here is the footprint drawing to do some measuring prior to anything on that!

Q: Can it attach to picatinny rail?

A: This cannot be attached to a picatinny rail, rather, it is designed to fit directly-to-receiver!

Q: Can you buy a replacement cover?

A: Vortex warranty team can send you a replacement my friend. Give them a call at 1-800-486-7839 or reach out via email at service@vortexoptics.com.

Should I Buy This Thing?

I know this will shock you, but if you’re considering purchasing this new offering from Vortex, it depends on which exact features you want in a red dot.

  • If you’re looking for a red dot with auto-adjusting brightness or a solar backup, this isn’t for you.
  • If you want a red dot you can easily switch between a pistol and a shotgun; it’s also not for you.
Viper Enclosed Shotgun Dot comes with everything you see here

But if you’re looking for a low-profile red dot, designed for a shotgun, especially for turkey hunters, you probably want to look at the Vortex Viper shotgun red dot. I like that it’s fully enclosed with a good-sized viewing window. I also like that it will sit low on the shotgun, and the integrated mount will fit almost any drilled and tapped shotgun. The MSRP is $430 for the single dot and $500 for the multi-reticle, but MidwayUSA and Amazon offer them for $300 and $350, respectively.

Overall, we’ve been pleased with them and would definitely recommend them as a red dot for turkey hunting. So, for Should I Buy This Thing, we will give the Viper Enclosed Shotgun Dot a 5/5!

Written by
Robbie

Robbie has enjoyed the outdoors since he can remember. His earliest memories include hours upon hours of squirrel hunting and learning how to enjoy all aspects of hunting season in God's wonderful outdoors. Now he is always working hard and testing gear in the field to give you the best review and most thorough information he possibly can.