Best Red Dot Sight For Sig Sauer MPX

Chris G.

As a firearms enthusiast and an avid shooter, I’ve spent countless hours at the range, testing and reviewing various firearm accessories, including red dot sights. Over the years, I’ve developed a keen eye for what makes a red dot sight stand out, especially when it comes to pairing them with specific firearms like the Sig Sauer MPX.

The Sig Sauer MPX, a popular choice among firearm enthusiasts, is a versatile and reliable firearm that can significantly benefit from a quality red dot sight. A good sight can enhance your shooting experience, improve your accuracy, and provide quicker target acquisition. But with so many options on the market, finding the perfect sight for your MPX can be a daunting task.

That’s where I come in. I’ve spent a considerable amount of time testing various red dot sights on the Sig Sauer MPX, evaluating them based on factors like durability, ease of use, battery life, and overall performance. I’ve also taken into account the feedback and experiences of other shooters, both online and at the range.

In this article, I’ll share my insights and experiences to help you navigate the world of red dot sights for the Sig Sauer MPX. Whether you’re a seasoned shooter or a beginner, I hope my experiences and insights will help you find the perfect sight for your needs. So, let’s dive in and explore the best red dot sights for the Sig Sauer MPX.

Top 8 Best Red Dot Sights For Sig Sauer MPX 

a closeup of Sig Sauer MPX

1. SIG Romeo 5 – Best Overall

The SIG Romeo 5 is a fantastic red dot sight that I’ve had the pleasure of using on my Sig Sauer MPX. It’s packed with features that make it a top choice for shooters of all levels.

Durability

The Romeo 5 is built to withstand harsh conditions and rough handling. Its robust construction ensures that it will hold up well, even in the most demanding situations.

Waterproof and Fog-Proof Performance

This sight is designed to be waterproof and fog-proof, so you can rely on it to perform well in various weather conditions. This is especially important when you’re out in the field and need your sight to be reliable.

Motion Activated Illumination (MOTAC)

The MOTAC feature is a standout aspect of the Romeo 5. It powers up the sight when it senses motion and powers down when it doesn’t, ensuring optimal operational safety and an impressive 40,000+ hour battery life.

2 MOA Dot Reticle

The 2 MOA dot reticle provides a crisp and precise aiming point, making it easier for you to hit your target accurately.

10 Brightness Settings

With 10 brightness settings, including 8 daylight and 2 night vision compatible settings, the Romeo 5 is versatile enough to perform well in various lighting conditions.

Why It’s The Best Overall

The SIG Romeo 5 stands out as the best overall red dot sight for the Sig Sauer MPX due to its combination of durability, performance, and user-friendly features. Its MOTAC technology, waterproof and fog-proof design, and multiple brightness settings make it a reliable and versatile choice for any shooter.

Pros:

  •  Durable and built to last
  •  Waterproof and fog-proof performance
  •  MOTAC technology for extended battery life
  •  Crisp 2 MOA dot reticle
  •  10 brightness settings for versatility

Cons:

  •  Some users may prefer a larger objective lens
  •  Slightly heavier than some other red dot sights

My experience using the SIG Romeo 5 on my Sig Sauer MPX has been nothing short of impressive. Its durability, performance, and user-friendly features make it a top choice for anyone looking to enhance their shooting experience.

2. Holosun 510C – Best User-Friendly Controls

The Holosun 510C is a red dot sight that I’ve found to be incredibly user-friendly and reliable when used with the Sig Sauer MPX. It’s packed with features that make it a standout choice.

User-Friendly Controls

The Holosun 510C is designed with intuitive controls that make it easy to adjust settings on the fly. This is a huge plus when you’re in the middle of a shooting session and need to make quick adjustments.

Solar Failsafe

This sight comes with a Solar Failsafe feature that uses ambient light to power the sight, providing an additional power source and extending battery life.

Multiple Reticle System

The 510C offers a multiple reticle system, allowing you to switch between a 2 MOA dot, a 65 MOA ring, or a combination of both based on your preference and shooting conditions.

Shake Awake Technology

The sight’s Shake Awake technology automatically activates the sight upon sensing movement, saving battery life when the sight is not in use.

Durability

The 510C is built to last with a durable aluminum housing that can withstand tough conditions.

Why It’s The Best User-Friendly Controls

The Holosun 510C shines in the category of user-friendly controls. Its intuitive controls, combined with features like the Solar Failsafe and Shake Awake technology, make it easy to use and adjust, even for beginners.

Pros:

  •  User-friendly controls
  •  Solar Failsafe for extended battery life
  •  Multiple reticle system for versatility
  •  Shake Awake technology for battery conservation
  •  Durable construction

Cons:

  •  Slightly larger than some other red dot sights
  •  Some users may find the reticle options overwhelming

Using the Holosun 510C on my Sig Sauer MPX has been a breeze. Its user-friendly controls and versatile features make it a great choice for anyone looking for a reliable and easy-to-use red dot sight.

3. Vortex Optics Crossfire – Highly Durable

The Vortex Optics Crossfire is a red dot sight that I’ve found to be incredibly durable and reliable when used with the Sig Sauer MPX. It’s a sight that’s built to last and perform under tough conditions.

Durability

The Crossfire is built with a hard-anodized, low-glare matte finish that enhances its durability. It’s designed to withstand heavy recoil and impact, making it a reliable choice for rugged use.

2 MOA Dot Reticle

The sight features a 2 MOA dot reticle that provides a crisp and precise aiming point, enhancing your accuracy and target acquisition speed.

Unlimited Eye Relief

The Crossfire offers unlimited eye relief, allowing for rapid target acquisition and providing flexibility in mounting the sight.

Waterproof and Shockproof

The sight is designed to be waterproof and shockproof, ensuring reliable performance in various weather conditions and during heavy recoil.

Battery Life

The Crossfire boasts a long battery life, allowing for extended use without the need for frequent battery changes.

Why It’s The Best for Durability

The Vortex Optics Crossfire stands out for its durability. Its robust construction, combined with its waterproof and shockproof design, makes it a reliable choice for rugged use.

Pros:

  •  Highly durable construction
  •  Crisp 2 MOA dot reticle
  •  Unlimited eye relief for flexibility
  •  Waterproof and shockproof design
  •  Long battery life

Cons:

  •  Some users may prefer a larger objective lens
  •  The adjustment dials could be more user-friendly

Using the Vortex Optics Crossfire on my Sig Sauer MPX has been a great experience. Its durability and performance make it a top choice for anyone looking for a reliable and rugged red dot sight.

4. Trijicon MRO 2.0 – Best Solid Option

The Trijicon MRO 2.0 is a red dot sight that I’ve found to be a solid and reliable option for the Sig Sauer MPX. It’s a sight that’s built with quality and performance in mind.

Compact Design

The MRO 2.0 features a compact design that makes it a great fit for the Sig Sauer MPX. Despite its small size, it doesn’t compromise on performance.

Wide Field of View

One of the standout features of the MRO 2.0 is its wide field of view. This allows for quicker target acquisition and better situational awareness.

Stellar Glass

The sight features high-quality glass that provides a clear and bright view. This enhances your shooting experience and improves your accuracy.

Durability

The MRO 2.0 is built to last. Its rugged construction can withstand heavy recoil and impact, making it a reliable choice for rugged use.

Adjustable Brightness Settings

The sight offers multiple brightness settings, allowing you to adjust the reticle’s brightness based on your environment and lighting conditions.

Why It’s The Best Solid Option

The Trijicon MRO 2.0 stands out as a solid option due to its combination of compact design, wide field of view, high-quality glass, and durability. It’s a reliable and versatile choice for any shooter.

Pros:

  •  Compact design for easy mounting
  •  Wide field of view for quick target acquisition
  •  High-quality glass for a clear view
  •  Durable construction for rugged use
  •  Adjustable brightness settings for versatility

Cons:

  •  Slightly pricier than some other red dot sights
  •  Some users may prefer a larger objective lens

Using the Trijicon MRO 2.0 on my Sig Sauer MPX has been a great experience. Its compact design, wide field of view, and high-quality glass make it a solid choice for anyone looking for a reliable and high-performing red dot sight.

5. Trijicon RMR -Best for Defensive Use

The Trijicon RMR is a red dot sight that I’ve found to be an excellent choice for defensive use on the Sig Sauer MPX. It’s a sight that’s built with reliability and performance in mind, making it a top choice for self-defense situations.

Dual-Illuminated Reticle

The RMR features a dual-illuminated reticle, which means it doesn’t rely on batteries for illumination. This ensures that the sight will always be ready for use, even in low-light conditions.

Rugged Construction

The Trijicon RMR is built to withstand heavy recoil and impact, making it a reliable choice for rugged use and self-defense situations.

Wide Field of View

The sight offers a wide field of view, allowing for quicker target acquisition and better situational awareness, which is crucial in defensive scenarios.

Adjustable Brightness Settings

The RMR provides adjustable brightness settings, allowing you to adapt the reticle’s brightness based on your environment and lighting conditions.

Easy Mounting

The sight is designed for easy mounting on the Sig Sauer MPX, ensuring a secure and stable fit.

Why It’s The Best for Defensive Use

The Trijicon RMR stands out as the best choice for defensive use due to its dual-illuminated reticle, rugged construction, wide field of view, and adjustable brightness settings. Its reliability and performance make it a top choice for self-defense situations.

Pros:

  •  Dual-illuminated reticle for battery-free operation
  •  Rugged construction for durability
  •  Wide field of view for quick target acquisition
  •  Adjustable brightness settings for versatility
  •  Easy mounting on the Sig Sauer MPX

Cons:

  •  Slightly more expensive than some other red dot sights
  •  Some users may prefer a larger objective lens

Using the Trijicon RMR on my Sig Sauer MPX has been a great experience. Its reliability and performance make it a top choice for anyone looking for a red dot sight specifically for defensive use.

6. SIG Romeo3 -Tested on MPX Copperhead

The SIG Romeo3 is a red dot sight that I’ve had the opportunity to use on my Sig Sauer MPX, specifically on the MPX Copperhead model. It’s a sight that’s designed for quick target acquisition and reliable performance.

Compact Design

The Romeo3 features a compact design that makes it a great fit for the Sig Sauer MPX Copperhead. Its small size doesn’t compromise on performance, making it an excellent choice for this firearm.

Wide Field of View

The sight offers a wide field of view, allowing for quicker target acquisition and better situational awareness, which is crucial in fast-paced shooting scenarios.

High-Quality Glass

The Romeo3 is equipped with high-quality glass that provides a clear and bright view, enhancing your shooting experience and improving your accuracy.

Durable Construction

The sight is built to withstand heavy recoil and impact, making it a reliable choice for rugged use and self-defense situations.

Adjustable Brightness Settings

The Romeo3 provides adjustable brightness settings, allowing you to adapt the reticle’s brightness based on your environment and lighting conditions.

Why It’s The Best for Tested on MPX Copperhead

The SIG Romeo3 stands out as the best choice for the MPX Copperhead due to its compact design, wide field of view, high-quality glass, and durable construction. Its performance and reliability make it a top choice for this specific firearm model.

Pros:

  •  Compact design for easy mounting
  •  Wide field of view for quick target acquisition
  •  High-quality glass for a clear view
  •  Durable construction for rugged use
  •  Adjustable brightness settings for versatility

Cons:

  •  Slightly more expensive than some other red dot sights
  •  Some users may prefer a larger objective lens

Using the SIG Romeo3 on my Sig Sauer MPX Copperhead has been a great experience. Its compact design, wide field of view, and high-quality glass make it a top choice for anyone looking for a red dot sight specifically for the MPX Copperhead model.

7. EOTech HWS EXPS3 – Recommended by Users

The EOTech HWS EXPS3 is a red dot sight that I’ve found to be highly recommended by users for the Sig Sauer MPX. It’s a sight that’s designed for speed and versatility, making it a favorite among many shooters.

Quick Detach Mount

The EXPS3 features a quick detach mount that allows for easy installation and removal. This is a huge plus when you need to switch sights or clean your firearm.

Wide Field of View

The sight offers a wide field of view, allowing for quicker target acquisition and better situational awareness, which is crucial in fast-paced shooting scenarios.

Night Vision Compatibility

The EXPS3 is compatible with night vision devices, making it a versatile choice for various lighting conditions.

Durable Construction

The sight is built to withstand heavy recoil and impact, making it a reliable choice for rugged use and self-defense situations.

Adjustable Brightness Settings

The EXPS3 provides adjustable brightness settings, allowing you to adapt the reticle’s brightness based on your environment and lighting conditions.

Why It’s The Best for Recommended by Users

The EOTech HWS EXPS3 stands out as a highly recommended choice by users due to its quick detach mount, wide field of view, night vision compatibility, and durable construction. Its performance and versatility make it a top choice for many shooters.

Pros:

  •  Quick detach mount for easy installation
  •  Wide field of view for quick target acquisition
  •  Night vision compatibility for versatility
  •  Durable construction for rugged use
  •  Adjustable brightness settings for adaptability

Cons:

  •  Slightly more expensive than some other red dot sights
  •  Some users may prefer a larger objective lens

My Experience Using the EOTech HWS EXPS3 on My Sig Sauer MPX

Using the EOTech HWS EXPS3 on my Sig Sauer MPX has been a great experience. Its quick detach mount, wide field of view, and night vision compatibility make it a top choice for anyone looking for a versatile and reliable red dot sight.

8. SIG Romeo1 – Proven Performance

The SIG Romeo1 is a red dot sight that I’ve found to be a reliable performer on my Sig Sauer MPX. It’s a sight that’s designed for speed, accuracy, and durability, making it a favorite among many shooters.

Compact Design

The Romeo1 features a compact design that makes it a great fit for the Sig Sauer MPX. Despite its small size, it delivers excellent performance.

Wide Field of View

The sight offers a wide field of view, allowing for quicker target acquisition and better situational awareness, which is crucial in fast-paced shooting scenarios.

High-Quality Glass

The Romeo1 is equipped with high-quality glass that provides a clear and bright view, enhancing your shooting experience and improving your accuracy.

Durable Construction

The sight is built to withstand heavy recoil and impact, making it a reliable choice for rugged use and self-defense situations.

Adjustable Brightness Settings

The Romeo1 provides adjustable brightness settings, allowing you to adapt the reticle’s brightness based on your environment and lighting conditions.

Why It’s The Best for Proven Performance

The SIG Romeo1 stands out for its proven performance. Its compact design, wide field of view, high-quality glass, and durable construction make it a reliable choice for any shooting scenario.

Pros:

  •  Compact design for easy mounting
  •  Wide field of view for quick target acquisition
  •  High-quality glass for a clear view
  •  Durable construction for rugged use
  •  Adjustable brightness settings for versatility

Cons:

  •  Slightly more expensive than some other red dot sights
  •  Some users may prefer a larger objective lens

Using the SIG Romeo1 on my Sig Sauer MPX has been a great experience. Its compact design, wide field of view, and high-quality glass make it a top choice for anyone looking for a red dot sight with proven performance.

FAQS

What are the mounting options for red dot sights on Sig Sauer MPX?

The Sig Sauer MPX can accommodate a variety of red dot sights, thanks to its Picatinny rail system. This universal mounting platform allows for a wide range of optics to be attached, including popular models like the Trijicon RMR, Aimpoint Micro, and SIG Romeo series. It’s important to ensure that the sight you choose is compatible with this type of rail system.

How is the battery life of red dot sights?

Battery life for red dot sights can vary greatly depending on the model and usage. Some modern red dot sights have a battery life that is measured in thousands of hours. However, the intensity of the dot and how often the sight is used can affect this. Some sights also have features like auto shut-off after a period of inactivity to conserve battery life.

What is the typical price range for red dot sights for Sig Sauer MPX?

The price of red dot sights for the Sig Sauer MPX can vary widely based on the brand, features, and quality of the sight. Budget-friendly options can start around $100, while high-end models can cost several hundred dollars. It’s important to consider your specific needs and budget when choosing a sight.

How durable are red dot sights?

Red dot sights are typically designed to be robust and withstand the recoil and rough handling that can come with firearm use. Many are made with durable materials like aluminum and are often waterproof and fog-proof. However, durability can vary between models and brands, so it’s important to research and choose a sight known for its reliability and toughness.

Can I use a magnifier with my red dot sight on a Sig Sauer MPX?

Yes, many red dot sights can be used in conjunction with a magnifier to increase the effective range of the sight. This can be particularly useful on firearms like the Sig Sauer MPX, which can be used for both close-quarters and longer-range shooting. However, not all red dot sights are compatible with all magnifiers, so it’s important to ensure that the two will work together before making a purchase.

Final Verdict

After spending a good amount of time with each of these red dot sights on my Sig Sauer MPX, I’ve come to appreciate the unique strengths each one brings to the table. From the rugged durability of the Vortex Optics Crossfire to the proven performance of the SIG Romeo1, there’s a sight here to suit just about any shooter’s needs.

However, if I had to pick one sight that stands out as the best overall, it would be the SIG Romeo5. This sight strikes a great balance between performance, durability, and value. Its compact design, wide field of view, and high-quality glass make it a versatile choice for any shooting scenario. Plus, its durable construction and adjustable brightness settings ensure it can handle whatever you throw at it.

But what really sets the Romeo5 apart is its MOTAC (Motion Activated Illumination) feature, which powers up the sight when it senses motion and powers it down when it doesn’t, significantly extending the battery life. This feature, combined with its overall performance and reliability, makes the SIG Romeo5 my top recommendation for the best red dot sight for the Sig Sauer MPX.

Remember, the best sight for you will depend on your specific needs and preferences. So, take the time to consider what features are most important to you before making your decision. Happy shooting!

About the author

The name's Chris. Just a regular dude who loves firearms. I've been shooting since I was a kid. My old man taught me the ropes.

I'll never forget the first time I missed an easy shot on a buck, thanks to a bum scope. The image was fuzzier than my dog's butt. After that, I got obsessed with understanding scopes. What makes the good ones tick and the bad ones trash. After a few years and a few thousand bucks, I learned what separates the winners from the losers. Once I had a good stockpile of knowledge, I launched this site.

Leave a Comment