+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Reviews & Ratings for Holosun HE503CU 1x20mm 2 MOA Dot & 65 MOA Circle Red Dot Sight — 51 reviews

(51 reviews)
Holosun HE503CU 1x20mm 2 MOA Dot & 65 MOA Circle Red Dot Sight
Holosun HE503CU 1x20mm 2 MOA Dot & 65 MOA Circle Red Dot Sight
$307.05 $179.99 Save 41%
View Product
Write a Review
Compare (0)
1 item has been added
Add at least two items to compare
Most Helpful Positive Review Holosun 503 cu bu
The brightness and quality stand out the most. This is a great optic for the price. Like life there are goods and bad but more good then bad. 65moa dot is crisp no glare from front or rear of the optic. Fits both left and right handed guns Ar and shotguns well. Holds it zero with a 12g. Stays on whi...
Read More...
Most Helpful Negative Review Wanted So Badly to Like, Front Lens Issues
**IMPORTANT**Fist off, I must say that the front lens IS SUPPOSED to be off-axis, as it has to be hand-aligned for the reticle to work properly. This is a noob fact that I sadly had to learn. I have seen others complain about this as well, thinking that the front lens was "pushed in," in a damaged...
Read More...
Show
Sort by
Filter by

Holosun 503CU Red Dot

by johnchip, Verified Owner from CT, United States Written on May 3, 2025
This isn't my first time purchasing the Holosun 503CU. I have two others and the elite green version as well. Paired with a Scalarworks T2 LEAP mount (1.42") you get co-witness. It's a great optic especially when on sale. This will probably my last time buying it as Holosun releases thier new models but it won't be forgotten as I will still be using it since it comes with the solar fail safe feature and their new ARO line doesn't. The ARO-EVO does come with the solar fail safe but that's aside from the point. If you are looking for a budget version of the T2 then look no further friend, you found it. Five out of five stars!
Would recommend: Yes
Was it helpful to you? Yes | No
Share

awesome product.

by USNA01, Verified Owner from VA, United States Written on February 9, 2025
Added this to my Benelli M4 and it is perfect - looks great, rock solid, easy site acquisition, love the shake awake feature and the solar power source. Don’t buy all the hype about needed to spend 1k on every dot optic / this is rock solid!!!
Would recommend: Yes
Was it helpful to you? Yes | No
Share

Really Good

by AP, Verified Owner from IN, United States Written on November 23, 2024
Optic holds zero and the glass is very clear. Optic has shake awake feature that will be very valuable for home defense. Product is durable and handles recoil well. Will more than likely purchase another for my next rifle.
Would recommend: Yes
Was it helpful to you? Yes | No
Share

Ruger 1022 upgrade

by James Markel, Verified Owner from AR, United States Written on August 21, 2024
Mounted this on Ruger 1022 low profile fit great. Went to the range easy to adjust, clear, crisp reticle easy to sight in and easy target acquisition.
Would recommend: Yes
Was it helpful to you? Yes | No
Share

Great optic

by Mhen, Verified Owner from IL, United States Written on August 17, 2024
Awesome product bright easy to pick up! I highly recommend this sight!
Would recommend: Yes
Was it helpful to you? Yes | No
Share

very clear circle dot sight

by CC, Verified Owner from FL, United States Written on August 8, 2024
I have a pretty strong astigmatism so I’ve been looking for an optic with extreme clarity and this optic definitely fits the description. Extremely happy with it multiple settings easy to exchange batteries without remounting. I highly recommend it.
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No
Share

Holosun HE503CU

by Chris, Verified Owner from FL, United States Written on August 8, 2024
Like this optic, works perfect and as described. I put it on my 300black out and love the how it preforms and holds zero.
Would recommend: Yes
Was it helpful to you? Yes | No
Share

Best Red Dot for the Money!

by Mike S, Verified Owner from CT, United States Written on August 3, 2024
I have used many different red dot sights and I find myself consistently buying more Holosun optics then other brands. There key features like shake awake, battery life, solar panel, multiple retical options it’s a hard to beat package. I tend to swap out the mounts to my favorite Scalarworks Leap but I have several factory mounts on guns with zero issues. I just prefer the look and QD option.
Would recommend: Yes
Was it helpful to you? Yes | No
Share

Best Red Dot for the Money!

by Mike S, Verified Owner from CT, United States Written on August 3, 2024
I have used many different red dot sights and I find myself consistently buying more Holosun optics then other brands. There key features like shake awake, battery life, solar panel, multiple retical options it’s a hard to beat package. I tend to swap out the mounts to my favorite Scalarworks Leap but I have several factory mounts on guns with zero issues. I just prefer the look and QD option.
Would recommend: Yes
Was it helpful to you? Yes | No
Share

Holosun 503

by Jeff, Verified Owner from NC, United States Written on July 31, 2024
Great red dot , so close to spot on out of the box on my buckmark, delivery was timely and priced competitively.
Pros:
  • Quality
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No
Share
There are no reviews that match your criteria. Would you like to review this product?