Best AR-15 Red Dot Sights on Sale in 2024

Last updated May 20th 2024

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A red dot sight can be the simplest, easiest and most effective aftermarket part you ever put on your AR-15. It can turn an amateur into a pro and is one of the great equalizers in this world, along with the actual rifle, of course.

When it comes to dialing in your AR-15 for precision and reliability, the right red dot sight can make all the difference.

Here’s a look at the top 10 red dot sights, blending performance, durability, and value to help you make the perfect choice.

Sig Romeo5 red dot sights for your AR-15. Simple, effective and the right price.

1. Sig Sauer Romeo5

  • Price: $119.99
  • Magnification: 1x
  • Dot Size: 2 MOA
  • Weight: 5.1 oz
  • Battery Life: 40,000 hrs
  • Illumination: 8 daytime and 2 night vision

The Romeo5 is a standout for its MOTAC feature, automatically activating the optic when it senses motion, ensuring you’re always ready.

Waterproof and fog-proof, with 10 illumination settings for any light condition, and a robust 40,000 hours of battery life, it’s designed for reliability. Its 2 MOA red-dot offers precise targeting, making it versatile for both close-quarters and medium-range shooting.

Aimpoint Micro T-2 is a great optic for your AR-15

2. Aimpoint Micro T-2

  • Price: $902.00
  • Magnification: 1x
  • Dot Size: 2 MOA
  • Weight: 3.0 oz
  • Battery Life: 50,000
  • Illumination: 8 daytime and 4 night vision

Renowned for its durability and reliability, the Aimpoint Micro T-2 sets the benchmark for red dot sights. Offering over five years of continuous use from a single CR2032 battery, its rugged construction is waterproof and shockproof.

The T-2’s 2 MOA dot is perfect for rapid target acquisition while providing enough precision for distance shooting. With unmatched optical clarity and minimal parallax, it’s ideal for demanding environments.

But yes, we know it’s also seriously expensive.

Vortex AMG UH-1 holographic sight

3. Vortex AMG UH-1

  • Price: $599.99
  • Magnification: 1x
  • Dot Size: 1 MOA
  • Weight: 11 oz
  • Battery Life: 1,500
  • Illumination: 11 daytime and 4 night vision

This holographic sight offers a virtually indestructible design with a crisp, clear reticle that remains visible under any lighting conditions.

The UH-1 features an integrated mount for quick attachment, a generous eye relief, and a streamlined profile with no protruding knobs or rings. It’s particularly effective for fast-moving, close-quarters shooting, thanks to its wide field of view.

It is 11oz, so it’s a heavy optic, but that the holographic technology sort of makes up for it.

EOTech EXPS2 is a great reflex sight for your AR-15

4. EOTech EXPS2

  • Price: $645.00
  • Magnification: 1x
  • Dot Size: 1 MOA Dot with 68 MOA ring
  • Weight: 7.8 oz
  • Battery Life: 30,000
  • Illumination: 6 daytime and 4 night vision

The EXPS2 provides exceptional optical precision and a quick-detach lever, making it adaptable and easy to share across platforms. Its holographic technology delivers a reticle that’s visible in bright sunlight with a 20 brightness setting adjustment.

It’s ruggedly built to withstand harsh conditions and is submersible up to 10 feet, making it suitable for all-weather operations. You can also emerge from the water like a Black Ops specialist in a movie, which must count for something.

5. Trijicon MRO

  • Magnification: 1x
  • Dot Size: 2 MOA
  • Weight: 4.1 oz
  • Battery Life: 43,800 hrs
  • Illumination: 6 daytime and 2 night vision

Compact and lightweight, the MRO offers a large viewing area, allowing for rapid target engagement with both eyes open. Its advanced lens coatings and adjustable brightness settings ensure a clear sight picture in any lighting.

Designed for durability, it’s waterproof and resistant to the elements, with a battery life extending up to 5 years, making it a dependable choice for tactical and outdoor use.

Holosun AR-15 sights. Simple, effective and relatively cheap.

6. Holosun HS403B

  • Price: $149.00
  • Magnification: 1x
  • Dot Size: 2 MOA
  • Weight: 4.3 oz
  • Battery Life:50,000 hrs
  • Illumination: 10 daytime and 2 night vision

This red dot sight combines performance with value, offering a 50,000-hour battery life and a crisp 2 MOA dot. Its durable housing is water and shock-resistant, ensuring it can handle the rigors of the field.

The HS403B’s simplicity, with easy-to-use adjustments and a low-profile design, makes it a great choice for shooters looking for reliability without unnecessary complexity.

Bushnell TRS-25 optics for your AR-15. It's a great sight, so get yours now.

7. Bushnell TRS-25

  • Price: $149.00
  • Magnification: 1x
  • Dot Size: 3 MOA
  • Weight: 6 oz
  • Battery Life:50,000 hrs
  • Illumination: 11 daytime and night vision compatible

The TRS-25 is a compact, reliable red dot sight known for its durability and affordability. It offers a 3 MOA red dot for quick target acquisition, with 11 brightness settings to accommodate varying light conditions. Its waterproof construction ensures it performs in all weather, making it an excellent entry-level option for shooters.

Sig Sauer MSR, a budget red dot sight.

8. Sig Sauer Romeo MSR

  • Price: $79.00
  • Magnification: 1x
  • Dot Size: 2 MOA
  • Weight: 4.9 oz
  • Battery Life:20,000 hrs
  • Illumination: 10 daytime settings and 2 Night vision

The Romeo MSR is a high-performance, compact red dot sight designed for fast, accurate target acquisition.

Its 2 MOA dot reticle, 20,000-hour battery life, and 10 illumination settings make it versatile for all lighting conditions. The included Juliet 3 Micro Magnifier enhances its range, making it a dynamic duo for shooting enthusiasts.

Vortex Strike Eagle, an AR-15 scope you might want to consider instead of a reflex sight

10. Vortex Strike Eagle 1-6×24

  • Price: $399.00
  • Magnification: 1-6x
  • Weight: 17.6 oz

Bridging the gap between red dot agility and scope precision, the Strike Eagle 1-6×24 is a versatile option for those requiring variable magnification.

It offers a clear sight picture with fully multi-coated lenses, a fast-focus dial, and a reticle designed for quick target engagement at close distances and accurate shooting at extended ranges.

Obviously it’s much heavier than a red dot, and it’s more about accuracy than speed of acquisition. But you can still run and gun with one of these onboard and it pays off with precise long range shooting.

9. Primary Arms SLx MD-25 Gen 2

  • Price: $149.00
  • Magnification: 1x
  • Dot Size: 2 MOA
  • Weight: 6.5 oz
  • Battery Life:50,000 hrs
  • Illumination: 12 daytime and Night vision compatible

It features a super-sleek design, 12 brightness settings for visibility in all light conditions, and a 50,000-hour battery life for reliability.

The 2 MOA dot is sharp, promoting quick target acquisition while allowing for precise shooting at extended ranges.


  • Nick Hall

    Nick is a lifelong gun enthusiast who has a simple mission. He wants to find the best deals for guns online and help you make the best choices with weapons your life may depend on one day.Nick won a minor league shooting competition at the age of 11 and it all went from there. Now he runs one of the biggest firearms websites on the net and his work has featured in Playboy US, Tatler Asia, Forbes and a whole host of national magazines and websites.

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