Search  for anything...

Vector Optics Frenzy 1x20x28 Extra-Large Window Size IPX6 Waterproof Red Dot Sight with 8 Levels & 2 NV red dot Intensity auto Shut-Down

  • Based on 286 reviews
Condition: New
Checking for product changes
$189.99 Why this price?

Buy Now, Pay Later


As low as $31.67 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: Only 8 left in stock, order soon!
Fulfilled by Amazon

Arrives Sunday, Feb 2
Order within 22 hours and 30 minutes
Available payment plans shown during checkout

Color: 3MOA 1x29


Brand: Vector Optics


Color: 3MOA 1x29


Mounting Type: Weaver Mount


Night vision: Yes


Manufacturer: Vector Optics


Item Package Dimensions L x W x H: ‎12 x 3.5 x 3.5 inches


Package Weight: ‎1.7 Pounds


Brand Name: ‎Vector Optics


Color: ‎3MOA 1x29


Manufacturer: ‎Vector Optics


Date First Available: June 25, 2021


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Feb 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Excellent optic
Color: 6MOA Frenzy-X 1x20x28
I really appreciate the big window and dot size on my model. This will work great for centerfire or rimfire. Vector Optics has come a long way!!! Very clear and functions well.
Reviewed in the United States on May 9, 2024 by mary

  • Great optic Red Dot
Color: 6MOA Frenzy-X 1x20x28
Vortex has stood the test of time. There are many optics that are out there that are just as good, or maybe even better because of features and different styles that are relevant, etc. This one was perfect for my needs. This fit on a Canik Mete SFX, and I did not have to remove the rear sight, which was very important to me. Attached on perfectly, and did not have to adjust the zero when it came out of the box. Still very much quality made, and I took it to the range and shot 250 rounds no problems. Didn’t bounce, go out to zero, and operated flawlessly. Very happy with the purchase. Came on time, and assembly was less than 15 minutes to put together. Good luck! ... show more
Reviewed in the United States on October 5, 2023 by TDubs82

  • Solid on 9mm
Confused this brand with another and grabbed one by mistake. It's fantastic and saved me $100. Holds zero, light is crisp and has held up to a few thousand rounds of work at the range.
Reviewed in the United States on June 15, 2024 by Mr. Ed

  • Good quality
Color: 6MOA Frenzy-X 1x20x28
This sight works great as an offset if you are running as a secondary sight. Shipping was fast and packaging was excellent.
Reviewed in the United States on June 20, 2024 by Rebekah

  • Great optic. Great customer service.
Color: 6MOA Frenzy-X 1x20x28
This is a great optic from a company with absolutely stellar customer service. I have it mounted on my service pistol, a Gen5 Glock 19MOS. I love the massive lense. I previously had another smaller optic mounted and I must say that I like this one much better. The larger lense makes the red dot come right up at eye level with ease every time. I use +p+ ammo and it has stood up to that recoil with no shift of zero whatsoever. The red dot is very bright, and on the highest setting there is no doubt that you will be able to clearly see that dot even on the sunniest of days. I did look at the dot through the two night vision modes. They are barely visible in pitch dark but through a Gen2 monocular they are perfect. I wanted to state that if the red dot is not clear you probably have an astigmatism. This is often the case when people.blame the optic. I did have a small issue with Amazon sending me a used optic instead of a new one. The great people at Vector quickly mailed me a brand new optic free of charge. They have fantastic customer service. I carry my pistol with this optic mounted daily on the job and I trust it. Purchase with the utmost confidence. ... show more
Reviewed in the United States on March 1, 2023 by Jas. Strong-Oak

  • Great Red Dot
Color: 6MOA Frenzy-X 1x20x28
I have found a reasonably priced red dot to replace the problematic Crimson Trace that came with my handgun. This Vector Optics fit perfectly on the Picatinny rail. Sighting it in was easy and I found the adjustments to be consistent. Once it was sighted in I found the dot to be easy to see and it held its zero. The buttons responded as they were designed to. This Vector Optics doesn't have shake awake and it doesn't have a solar backup but I knew this going in to it. This unit was bought for my rimfire handgun and it does it's job just as it should. The price is right and it has a lifetime warranty. I would definitely buy it again without hesitation. ... show more
Reviewed in the United States on March 18, 2023 by Doctormdds

  • Not worth 20$
Cheap…… cheap……. HOT garbage disgusting as entry level red dot. Do not spend your hard earned money on this trash. Bought for my self as a birthday present, out of the box I wasn’t impressed much for the price. Took me a few months to get around to getting it mounted and get some time to run it and zeroed. Only got around 100 rounds down range before the glass blew out under recoil. Wish I would have went in another direction on this. ... show more
Reviewed in the United States on February 18, 2024 by Zachary Minnick Zachary Minnick

  • I'm extremely impressed
Color: 6MOA Frenzy-X 1x20x28
The media could not be loaded. This optic is honestly comparable to top brand red dots that are 3x the cost. I've had this thing as a offset red dot on my 308 and as a primary on my ar9 for countless rounds and still turns on as it should , holds sight and does what it's intended. 10/10 recommend
Reviewed in the United States on January 15, 2024 by Stromboli

Can't find a product?

Find it on Amazon first, then paste the link below.