Got Aimpoint Comp M5 Problems? Here’s What You Need To Know!

As a specialist in optics and red dot sights, I’ve had my fair share of experiences with various devices.

The Aimpoint Comp M5 is known for its tough and credible track record. However, even the best have their drawbacks.

In this blog, we’ll be concentrating on the problems that users have encountered.

This honest and unbiased evaluation will help you decide if this sight is the best option for you, whether you’re a hunter, an elite shooter, or part of the armed forces.

So, read this review of the Aimpoint Comp M5 to learn about the potential disadvantages of this optic.

Issues & Fixes at a Glance

10 ProblemsWith Their Quick Solutions
Battery Life IssuesUse premium lithium batteries for longer operation.
Mounting IssuesUse thread-lock or better mount for stability.
Parallax ErrorMaintain eye and head alignment to reduce parallax.
Reticle WashoutReduce glare with sunshade, adjust light on Aimpoint Comp M5.
High PriceWeigh features against cost to find best value.
Limited Field Of ViewImprove aim technique or try wider optics view.
Bulky SightExplore lighter mounts or switch to lighter weapon.
DurabilityHandle with care, protect, and consult manufacturer for repairs.
Battery Compartment DesignInvest in tools for easier Aimpoint Comp M5 access.
Limited magnificationChoose between magnifier or optic with built-in magnification.
Aimpoint Comp M5 Problems

My Two Cents on the Aimpoint Comp M5

For members of the armed forces, law enforcement, and general shooters, the Aimpoint Comp M5 stands out as a resilient and handheld red dot sight.

Its advanced optical system provides a sharp, bright image with a broad field of view, crucial for quickly acquiring targets in dim lighting.

Powered by a single battery, it boasts up to 50,000 hours of operation, courtesy of a highly effective battery system. In terms of reliability, it’s simple to use and keep up, making it compatible with various equipment.

The durable construction and innovative capabilities make it a perfect option for those who demand reliability and preciseness in their shooting devices. It’s undoubtedly a great option to accurately hit your target.

From my personal experience, I can affirm that the Aimpoint Comp M5’s reputation is well-deserved. Its ease of use and adaptability across different shooting devices have been impressive. However, like any other product, it’s not without its challenges.

Yet, for those in the armed forces or law enforcement, where the ability to accurately and reliably hit targets is non-negotiable, this optic often proves to be the best option.

But it has its own share of problems. Which I will discuss below now, along with easy solutions.

Aimpoint Comp M5 Problems With Practical Solutions

1. Battery Life Issues:

The Aimpoint Comp M5, a renowned optic in the world of sights, employs an AAA battery. While this choice of power source is widely employed across various sights, it has not quite lived up to some users’ expectations, particularly in terms of battery life.

From my experience, while the AAA battery is a common and convenient choice, its lifespan can be a cause for concern, especially during prolonged periods of use. This becomes a noticeable problem when there isn’t immediate access to backup batteries.

The device, known for its reliability, thus faces challenges in situations where consistent and prolonged usage is required, leaving users to hope for more enduring battery solutions in future iterations.


Addressing the battery life issue in the Aimpoint Comp M5 can be tackled effectively with a couple of strategies.

A straightforward method is turning off the optic when not in utilization, significantly extending its battery life. However, in real-world scenarios, this isn’t always practical, especially in high-stakes environments where every second counts.

The motion sensor in the Aimpoint Comp M5 automatically activates the optic upon detecting movements, a feature designed for readiness but can inadvertently drain the battery.

The second, and a more reliable choice, is to buy premium lithium batteries. From my experience, these batteries offer a significantly longer lifespan compared to regular batteries.

This investment ensures that the optic remains operational for extended periods, thereby reducing the frequency of battery changes.

It’s a small change, but for a high-performance device like the Aimpoint Comp M5, using higher-quality power sources makes a considerable difference in both functionality and reliability. Users often encounter various challenges with their optics, and troubleshooting becomes essential.

However, it’s crucial to stay informed about potential issues like aimpoint acro p2 problems to ensure optimal performance and swift resolutions.

2. Mounting Issues:

A notable concern with the Aimpoint Comp M5 is related to its mounting. The mount included with the optic, while designed to attach securely to a Picatinny rail, has drawn some criticisms from users.

Several have complained that mounting the optic can be unexpectedly challenging, and in some instances, it has arrived loose after only a few shots. This can drastically affect performance, as a loose mount leads to difficulties in maintaining zero, consequently causing accuracy to suffer.

It’s a frustrating issue, especially when precision is paramount, and makes securing the optic properly a hard task for many users.


To address the mounting issues with the Aimpoint Comp M5, it’s crucial to adhere strictly to the directions provided by the manufacturer. In my experience, a common oversight can lead to instability.

Applying a thread-locking compound to the screws of the mount can prevent it from becoming unfastened, a simple yet effective solution. For those continuing to face challenges, considering a better mount might be advisable.

However, if you’re specifically experiencing issues with your sight, such as trijicon rmr problems, it’s essential to troubleshoot and address them promptly to ensure optimal performance.

Many customers have complained about the device not being stable enough with the provided mount. Investing in a higher quality mount can significantly enhance the optic’s stability and reliability, ensuring a secure and steady shooting experience.

3. Parallax Error:

A notable concern with the Aimpoint Comp M5 is the parallax error, as reported by several users. This issue causes the reticle to appear to move in relation to the target, leading to inaccurate shots.

The error becomes evident when the shooter’s eye is not precisely aligned with the optic’s center. Parallax error can be a significant hindrance, particularly in scenarios requiring high precision.

It can be disconcerting to adjust your aim only to find the reticle shifting, affecting both accuracy and confidence in the field.

While this doesn’t affect every shooter, it’s an important aspect to consider for those who depend on absolute accuracy from their optics.


To mitigate the parallax error in the Aimpoint Comp M5, ensuring that your eye is centered directly behind the optic is key. The reticle should show up in the same spot regardless of where the eye is situated.

This alignment greatly helps to reduce the likelihood of experiencing parallax error. From my experience, practicing appropriate shooting forms is crucial in this aspect. Proper alignment and consistent head position can significantly minimize this issue, enhancing the overall accuracy and reliability of the optic.

This technique requires some practice but becomes second nature over time, ensuring that the reticle’s position remains stable and accurate.

4. Reticle Washout:

The Aimpoint Comp M5, featuring a 2 MOA dot reticle, is generally easy to acquire and accurate in various conditions. However, some users have complained about the reticle wash out in direct sunlight.

This issue makes it challenging to acquire targets effectively, particularly when working with the optic in bright outdoor settings. The clarity of the reticle, crucial for precise aiming, tends to diminish under intense sunlight, affecting the overall performance of the sight.

This factor is especially important for those who frequently find themselves in high-glare environments, where maintaining visual consistency is key to successful target engagement.


A practical solution to the reticle washout issue in the Aimpoint Comp M5, especially under intense sunlight, involves modifying the light level setting of the optic.

The Aimpoint Comp M5 is equipped with various illumination settings, allowing users to select the one that best suits their surroundings. Adjusting these settings can significantly lessen the glare and enhance visibility, thus countering the washout effect.

Additionally, using a sunshade or an anti-reflective lens case can further reduce the impact of bright light conditions, ensuring the reticle remains visible and the optic maintains its effectiveness even in challenging lighting scenarios.

5. High Price:

The Aimpoint Comp M5 stands out as one of the priciest red dot optics on the market, with a suggested retail price around $1100. This cost factor has led many users to complain that the price is prohibitive, especially when considering other affordable options available with comparable features.

For those on a tighter budget, this high price tag can be a significant barrier, making them weigh the benefits of the Aimpoint Comp M5 against its cost.

This dilemma often leads to a tough decision for buyers who desire the quality and performance of the Aimpoint Comp M5 but find its price challenging to justify.


The Aimpoint Comp M5, known as one of the priciest red dot optics on the market, does pose a challenge for those concerned about costs.

However, a solution lies in carefully considering the characteristics and abilities it offers before making a purchase. For those wary of the high price, exploring other optics with lower price tags is a viable option.

These alternatives may not match the Aimpoint Comp M5 in terms of reliability, precision, or battery life, but they can still meet the basic requirements of most users.

The key is to balance your specific needs with your budget constraints, ensuring you get the best value for your investment.

6. Limited Field Of View:

Comparatively speaking, the Aimpoint Comp M5 is noted for its constrained field of view among red dot optics available in the market. Many users find this limitation challenging, especially when trying to acquire targets quickly in hectic shooting situations.

The narrow field of view can hinder situational awareness, a crucial factor in both tactical environments and fast-paced shooting activities.

While the optic excels in precision and reliability, its field of view is something users should consider, particularly if rapid target acquisition and a wide visual range are essential for their shooting needs.


For those struggling to acquire targets quickly with the Aimpoint Comp M5 due to its limited field of view, improving shooting technique can significantly increase both accuracy and speed.

It involves training oneself to swiftly locate and focus on targets, adapting to the optic’s visual constraints. Another approach is considering a distinct optic with a broader field of view.

While buying such an alternative might mean a compromise in certain qualities like durability or specific features of the Aimpoint Comp M5, it can enhance overall performance in scenarios where a wide field of view is critical. It’s about balancing the specific needs of your shooting style with the functional attributes of the optic.

7. Bulky Sight:

The Aimpoint Comp M5, weighing 5.2 ounces without the mount, is a substantial optic in terms of mass. Some users have noted that its mass can make certain weapons feel out of balance. Particularly in lighter firearms or those designed for agility, the Aimpoint Comp M5 can add excessive weight, creating a top-heavy sensation.

This is especially pronounced in scenarios where minimizing the load is crucial, like in long-duration patrols or dynamic shooting competitions.

While the weight contributes to its sturdiness and durability, it’s a factor worth considering for those who use heavy rifles or require a more balanced firearm setup.


For those finding the weight of the Aimpoint Comp M5 a concern due to its bulkiness, the solution might lie in opting for a lighter mount or switching to a less heavy weapon platform compatible with it.

This adjustment can significantly reduce the overall heft, making the firearm more manageable. Additionally, exploring the marketplaces for alternative red dot optics that are lighter and less bulky can offer viable options.

While the Aimpoint Comp M5 is renowned for its robustness and performance, balancing its weight with operational needs is crucial, especially for users requiring agility and prolonged use without fatigue.

8. Durability:

The Aimpoint Comp M5 is designed to be tough and withstand rough surroundings, yet some users have complained that it’s not as durable as they thought.

Despite its rugged design, instances of the optic breaking after falls have been reported, which is particularly problematic for those employing it in demanding environments.

While the Aimpoint Comp M5 generally performs well under normal conditions, its resilience in more extreme scenarios has been a point of contention, leading some users to question its robustness in high-stress, high-impact situations.


Despite the sturdy design of the Aimpoint Comp M5, it’s crucial to handle it carefully to maintain its integrity. To avoid unnecessary damage from dropping or bumping, using a protective cover or case is advisable.

This extra layer of protection can significantly stop the optic from sustaining impact damage. In cases where damage does occur, it’s important to get in touch with the manufacturer to learn about repair or replacement possibilities.

Often, manufacturers offer services or advice on how to best preserve the durability of their products, ensuring that your investment in such high-quality equipment remains secure and functional for as long as possible.

9. Battery Compartment Design:

The Aimpoint Comp M5 features a battery compartment that is simple to access and swap out, but this design has not been without its criticisms.

Many users have complained that the design is not perfect, finding it challenging to insert and remove the battery. This aspect of the design, although intended for ease of use, can become a point of frustration, especially in situations where quick battery changes are necessary.

The difficulty in accessing the battery compartment can be a minor inconvenience for some, but for others, it represents a significant flaw in an otherwise well-regarded optic system.


A solution for those experiencing trouble getting to the Aimpoint Comp M5’s battery compartment involves using a tiny instrument or a coin to help open the cover.

This simple method can make accessing the compartment less of a hassle. For a more permanent fix, investing in a specialized tool or accessory made especially for taking off battery pack covers in optics can be a game-changer.

These tools are designed to fit perfectly and allow for easy and quick battery changes, minimizing the inconvenience caused by the compartment’s challenging design.

This small investment can enhance the overall user experience with the Aimpoint Comp M5, especially for those who need to swap batteries frequently in the field. With its reliable performance and durable construction, users can rely on the Aimpoint Comp M5 to maintain accuracy and precision in challenging conditions.

However, it’s important to note that some users have reported swampfox sentinel problems when using certain accessories or in specific environments. Despite this, the Aimpoint Comp M5 remains a top choice for many professionals and enthusiasts alike.

10. Limited magnification:

The Aimpoint Comp M5, as a red-dot optic, is inherently incapable of magnification, a feature some individuals have stated they want in an optic designed for long-range shooting.

This limitation means that while the Comp M5 excels in close to mid-range engagements, it falls short for users who require magnified views for precise long-distance targeting.

This inherent design choice, focused on quick target acquisition in close quarters, makes the Comp M5 less versatile for scenarios where extended range and detailed target identification are key.


For those who require magnification for distant shooting, a viable solution is to use a magnifier in conjunction with the Aimpoint Comp M5. While the Comp M5, as a red dot optic, is primarily intended for close-to-midrange shooting, adding a magnifier can extend its utility to longer ranges.

Alternatively, opting for another optic with inherent magnification abilities might be the best option for dedicated long-range applications.

This approach allows users to retain the quick target acquisition feature of the Comp M5 for closer engagements while also adapting to scenarios where increased magnification is crucial.

Tested Alternatives For Aimpoint Comp m5

1. Trijicon MRO:

The Trijicon MRO emerges as a favored alternative to the Aimpoint Comp M5, particularly for its similar weight and dimensions. This red dot sight stands out with its large field of view and a crisp 2 MOA dot, which enhances target acquisition and situational awareness.

One of its most appealing features is the long-lasting battery, ensuring reliability and less frequent need for replacements. The Trijicon MRO offers a balance of functionality and convenience, making it an excellent choice for those looking for an optic that mirrors the practical aspects of the Aimpoint Comp M5, yet provides a different visual experience.

2. Eotech EXPS2:

The EOTech EXPS2, a holographic sight, presents itself as a solid alternative to traditional red dot sights like the Aimpoint Comp M5. Its reticle is more visible in brightly lit conditions, a significant advantage for users operating in diverse environments. Unlike the typical red dot sight, the EOTech EXPS2 offers enhanced visibility, making it a good option for scenarios where clarity is paramount.

Additionally, its fog-proof and waterproof features ensure reliable performance, even in inclement weather. This makes the EOTech EXPS2 a versatile and dependable choice for those seeking an optic that excels in various light conditions and withstands harsh weather.

3. Vortex Venom:

The Vortex Venom emerges as a modest and light alternative in the realm of red dot sights. It features a 3 MOA dot reticle, offering precision that rivals its counterparts. The low-profile layout of the Vortex Venom makes it particularly appealing for a wide range of weapons, providing versatility without compromising on performance.

Its simplicity in mounting is a significant plus, making it a simple yet effective option for those who value ease of installation and a sleek design. The Vortex Venom stands out for its balance of minimalism and functionality, catering to users who prefer a compact and unobtrusive sighting solution.

4. Holosun HE510C-GR Elite:

The Holosun HE510C-GR Elite stands out in the red dot sight market with its distinctive green reticle, which is simple to identify across an array of lighting situations. This feature alone makes it a compelling alternative for users seeking clarity and ease of target acquisition.

Adding to its appeal is the integrated solar cell that significantly increases the lifespan of its batteries, offering a sustainable power solution. Moreover, the Holosun HE510C-GR Elite provides a variety of reticle selections, catering to a broader range of preferences and scenarios.

This optic is a versatile choice for those who prioritize visual distinctiveness and extended operational life in their sighting equipment.

5. Sig Sauer Romeo 5:

The Sig Sauer Romeo 5 emerges as a noteworthy contender in the red dot sight category, particularly for its small size and inexpensive nature. It features a precise 2 MOA dot reticle and boasts an extended battery lifespan, making it a reliable choice for prolonged use.

The slim design of the Romeo 5 simplifies the mounting process, making it easy to attach to a variety of firearms. This optic combines affordability with functionality, offering a budget-friendly alternative without sacrificing the essential features needed for effective target acquisition and sight reliability.


After a year of extensively using the Aimpoint Comp M5 for various shooting activities, I’ve come to a nuanced understanding of its strengths and weaknesses. The simplicity of its use, combined with the vibrant and clear reticle, makes it a joy to find targets.

However, the battery life issues present a notable problem for those needing the optic for extended periods, a factor that could deter people who can’t regularly replace batteries.

The expensive price tag places the Aimpoint Comp M5 among the higher-end red dot sights on the market, which might be a deciding factor for buyers with limited funds.

Despite its cost, the Aimpoint Comp M5 has reportedly robust durability, credibility, and toughness, making it a reliable product. No product is faultless, and the Aimpoint Comp M5 is no exception, as some users have had unfavorable experiences.

Ultimately, the choice to buy the Aimpoint Comp M5 should be based on personal requirements, balancing these against its price and performance. An evaluation of all available information and reviews will guide potential users to make an informed decision that aligns with their specific needs and expectations.

Aimpoint Comp M5 Problems

My Friends Feedback:

Over time, I’ve gathered feedback on the Aimpoint Comp M5 from various friends and users, each offering their unique insights and experiences. For instance, a newbie friend who recently purchased a Comp M5 with a scalar works lower 1/3rd mount noticed the lens was slightly shifted, affecting the ability to zero. He was concerned about wear and tear but found that the battery cap was robust, despite needing force and a penny to open. He sought advice on whether this was a common issue or a fluke.

Another user, a seasoned shooter, compared the Comp M5 to holographic sights like EOTechs, noting that red dots typically have an angle in their lenses unlike the straight, flat panes of holographics. This user appreciated the optic’s performance in different lighting conditions and its compatibility with iron sights and scalar leap mounts. He mentioned the cowitness capability with rear and front iron sights, although it was a bit lower than expected.

In my network, there are also those who use their optics for rigorous activities. They recounted an Earlier test where a handful of expensive optics, including the Aimpoint CompM5, underwent stress tests. The CompM5 didn’t fare well in an impact test from 4-feet onto a rock. This was initially a bummer, but upon a re-test in a lab, it was deemed a fluke, restoring faith in its durability.

Some feedback centered around the optic’s physical attributes. The CompM5 is a mid-size red dot, not as hefty as the Aimpoint Patrol Rifle Optic or the CompM4s, but bulkier than the Micro T-1. It was praised for being lighter than heavier models and its compatibility with 3x and 6x magnifiers.

Users who attached it to an AR set-up, particularly those with a pistol caliber carbine or an AR pistol build, found it added significant mileage to their firearms.

The solid build and heft of the CompM5, weighing around 8.5-ounces in its standard configuration, was a point of discussion. The mount was seen as reliable, and its 2 MOA dot optic was effective for both short-range and medium-range shooting. The flip-down plastic lens covers and polymer caps, in contrast to rubber bikini-style covers on other micro red dots, were appreciated for their practicality.

Users also highlighted the clear rear flip-down lens and the black polymer front cap. This design choice, while unique, was noted for its effectiveness when aiming with both eyes open. The optic’s performance in emergency scenarios was a highlight, with its battery run-time impressive at Position 7 on the brightness knob, lasting about 1 year at maximum and about 10 years in night-vision compatible settings.

The windage and elevation adjustments of the CompM5 also received attention. The turret adjustment beneath the plastic caps, though small, was seen as a practical zeroing tool. However, some found the caps a bit too small for comfortable adjustment, preferring flat-head or quarter-slot adjustment dials.

In contrast, when looking at aimpoint acro p2 problems, users often highlight different aspects, such as durability under extreme conditions, which puts into perspective the variety of challenges users might face across different models.

A major point of discussion was the throw lever mount. Its ability to be clamped securely on the rail and locked via a metal lug into the optic’s barrel was a standout feature. This system was favored over other throw-lever locking designs, as it was less taxing on the fingers and more user-friendly.

The importance of such ergonomic and user-friendly designs is also highlighted in a glock 17 gen 5, where the ease of handling and operation of the firearm is a critical factor for users, similar to the preferences observed in optic mounts.

Finally, there was consensus on the reliability of the Aimpoint CompM5 in viewing through different brightness settings, even in the bright sunshine of California. Its low light performance and compatibility with night vision for passive aiming were notable. In terms of durability, despite not passing the initial torture test, it held up well in routine testing, suggesting the earlier failure was a coincidence.

The Fit & Feel of the CompM5 as a mid-size optic was generally well-received. However, its Value came into question, with an MSRP of around $800 without the mount, a point considered cost-prohibitive by some. The overall score, however, remained high, reflecting its balance between performance and price.

In conclusion, while the Aimpoint CompM5 has its shortcomings, it’s a versatile and reliable optic for both AR pistols and PCCs. It may be a significant investment, but for those seeking quality, it’s worth considering.

For a broader understanding of sighting options, it’s also advisable to explore comparisons like red dot vs laser sights to evaluate different technologies and their suitability for your needs. Always check out the latest video reviews for an in-depth look at the Aimpoint CompM5 and its features.

Common Questions Asked About Aimpoint Comp M5

What is the difference between CompM5 and CompM5s?

The standard configuration of the CompM5 contains the sight, a LRP mount and a 39 mm spacer. CompM5s sight has a low battery compartment while the CompM5 has a high battery compartment. The CompM5s is a compact, lightweight, and extremely robust advanced red dot optic.

Why is the red dot not working on my Aimpoint?

The battery might be discharged, replace battery. The battery might not be installed correctly, please see user manual for installation instructions.

How long is the Aimpoint Comp M5’s warranty?

A limited lifetime warranty that addresses both material and workmanship flaws is included with the purchase of the Aimpoint Comp M5.

How much does the Aimpoint Comp M5 weigh?

Without the mount, the Aimpoint Comp M5 weighs 5.19 ounces.

Does the Aimpoint Comp M5 work with night vision equipment?

The Aimpoint Comp M5 has four different night vision settings.

Can you use the Aimpoint Comp M5 in inclement weather?

The Aimpoint Comp M5 has been constructed to endure harsh weather, such as rain, snow, and frigid temperatures.

How is the Aimpoint Comp M5 zeroed?

The windage and elevation turrets on the Aimpoint Comp M5 sight can be adjusted to zero.

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