For many years, Aimpoint stay at the number one choice in regards to red dot sights. At this point, the company has lots of sights offered for various purposes like: hunting, modern sporting as well as military operations. Whether you are a newbie or professional shooter, you will surely find one sight that will meet and suit your needs and budget. Two of the most popular red dot sights offered by the company is the Aimpoint Pro or Patrol Rifle Optic and the Aimpoint Comp M4.

Both models are 30mm tube red dot sights that have a remarkable reputation in toughness and durability. The Aimpoint Patrol Rifle Optic (PRO) is a bit cheaper compared to the Aimpoint Comp M4, which is only available for USD400.

However, is the expensive version worth buying? In this blog, we will assist you in seeing the differences between the two models and, at the same time, assists you to make a sound choice on whether to stick to the reasonable model or opt to the upgraded version.

Aimpoint Comp m4 vs. Pro: Quick Summary

Here are the main differences between the two models of red dot sights from Aimpoint. Check this out!

Durability: The CompM4 is a bit tough and rigid than the PRO model.

Battery: PRO model has 2L76 or DL1/#n battery that lasts for almost three years while the CompM4 has an AA battery that lasts for almost eight years.

Weight: Aimpoint Pro is a bit lighter.

Price: Aimpoint Pro is a bit cheaper.

Even if the PRO model is less tough than the CompM4, it is still considered  to be one of the toughest optics available in the market today. This site is able to take a remarkable level of abuse. And even if the lifespan of the battery is only three years compared to CompM4's eight years life span, a lot of users believe that three years is more than enough for them. The type of battery is admittedly hard to find; but, with the development of the internet, it is now possible and easy to find the battery. In addition to that , you can purchase it for a low cost as well.

Everything boils down to the price. Those who are looking for the best of the best at a favourable price point should chose the Aimpoint CompM4s. However, if you have a small budget or want to save money, then opt for the PRO model. One thing is for sure, both PRO and CompM4, do a remarkable job and will surely not disappoint.

Where are Aimpoints Made?

Aimpoint AB is a reliable optics company in Sweden, making high quality red dot sights for military, police, and civilian use. Aimpoints red dot sight models are at present utilized by many armed forces all over the world, especially the US military. Aimpoints are made of high quality materials, which answers the question as to why they have lasted for many years. Their toughness and durability are second to none.

Advantages and Disadvantages of Aimpoint PRO and Aimpoint Comp M4 Optics: The Breakdown

Each model comes with its pros and cons. Below is the breakdown of strength and weakness of each product, helping you decide on which one to purchase:

Aimpoint Pro: 

Aimpoint PRO Red Dot Reflex Sight with QRP2 Mount and Spacer - 2 MOA - 12841
  • Absolute co-witness with iron sights (with the supplied...
  • Features 2 MOA red dot for accurate target engagement
  • Includes front and rear plastic flip cap lens covers
  • Features 10 brightness settings including one extra bright...
  • Up to 30,000 hours (over 3 years) of constant operation from...
So, what is the best choice? Aimpoint CompM4 or Pro? It all boils down to your use and preferences. Both optics have similarities like battery life. The budget is also an important consideration when choosing the best optics. Choose wisely and smartly!
  • Pros
  • Has the full field of view while superimposing the red dot on the target
  • Low price
  • A little bit lighter
  • Cons
  • 50K battery life
  • Less durability
  • 2L76 battery

Aimpoint Comp M4: Pro

Aimpoint CompM4 Red Dot Reflex Sight No Mount - 2 MOA - 12309
  • Features advanced lens system for better light transmission...
  • Professional quality components fully tested to meet or...
  • Up to 80,000 hours (over 8 years) of daytime operation using...
  • Includes anti-reflective device and black rubber lens covers
  • Customizable with a full line of accessories
  • Pros
  • AA battery
  • More durable
  • 80K battery life
  • Cons
  • Bulkier and heavier
  • Very expensive

Battery Compartment: Comparison

Prior to comparing the CompM4 with the PRO model, a lot of you may want to know the difference between these two. In general, both are the same red dot sight with different battery tube compartment. State of the art PRO model comes with a battery compartment that is top-mounted. However, some people find this feature annoying as it gets into their field of view. As a result, with the newer version, the Comp M4, the company decided to transfer the battery to the lower portion of the optic, for fast and easy access.

For many users, the latest version provides a cleaner and better look as well as a peripheral field of sight. On the other hand, once you run a three times magnifier behind your optic, you would opt to the latest version as the battery is positioned on top making it easy to access the brightness control.

Optics Showdown

The latest version of red dot sight from Aimpoint which is the Comp M4 m4s is tougher, durable as well as rugged. These optics have unparalleled ruggedness and durability. One user accidentally dropped his CompM4 on concrete flooring for almost three times from his shoulder height, and still, it was compact and had no signs of damage. He tried banging the unit on stainless steel and also dropped it in mud, but it still worked just fine.

The PRO model also passed a concrete drop test, submersion test as well as the banging test. On the other hand, based on what many users feel, the PRO model provided them a less solid feel as opposed to the latest version.

To add on that, the PRO red dot sights are preferred by police or law enforcers while the latest version is preferred by the military. This is because military equipment needs a higher durability as opposed to police equipment. The military may have performed various testing and discovered that the latest version is more suited in terms of their requirements of durability and rigidity. 

However, this is not to say that the procurement of military personnel is the basis that sets the latest model apart from the PRO model. If the Aimpoint Comp M4 isn’t military-grade, the optic would already have been ditched.

The Aimpoint Comp M4 comes with long battery life and easy to accessibility to it. Although the latest version is tougher, for a standard and average user, durability isn’t much of an issue, since the former version is hard and tough. However, the problem of the battery has more impact when it comes to making a solid choice.

Battery Life and Battery Types: Short Summary

Aimpoint Pro:

  • 3V lithium battery type, 2L76 or DL1/3N
  • Three years

Aimpoint Comp M4:

  • AA battery
  • Eight years setting

The 'Easier-to-find' long life double AA batteries, are major perks of the CompM4 model. On the other hand, with the advent of the internet, finding and buying a 3V lithium battery is now an easier task. In just one click, you are able to find a battery suitable for the old model. You can buy from stores like eBay and Amazon for only USD4. And replacing it every three years is not a big deal in comparison to the money you are in turn, able to save.

That said, Aimpoint Comp M4s double AA battery means you are able to get or buy it practically anywhere, in both online and offline stores. More so, an eight years battery life is two to three times an advantage. Aimpoint Comp M4 is more compact and lighter.

Both Pro and Aimpoint Comp M4 models have similar FOV; on the other hand, the latest version is a bit bulkier and heavier. It weighs 1.6 ounces. Aimpoint PRO is a bit reasonable in prices because it changes in regards to product demand and supply. On the other hand, at present, Aimpoint PRO can be obtained for only USD440, while the Aimpoint Comp M4 can be obtained for USD790 ( mount is not included)  and USD850 with mount.

When it comes to price, the PRO model is a budget option for those who want to save money. It is much reasonable at this point.

Aimpoint Comp M4 vs. Pro: Brightness Showdown

With regards to brightness settings or levels, the Aimpoint Comp M4 models stand out by a mile with nine daylight settings as well as seven-night vision settings in comparison to the Pro Aimpoint only has six daylight and four for night vision settings. The additional settings give M4s more versatility in an array of settings or backgrounds that boosts overall accuracy and preciseness regardless of the background. This is a type of edge which earns them service in wars over patrolling roads or streets.

Aimpoint Comp M4 vs Pro: Trivial Differences

These are the significant differences between the two models:

Brightness Settings: 

  • The PRO model comes with 4 NVD and six daylight settings while the latest model has nine daylight settings and 7 NVD. Both red dots are daylight bright, as well as can be utilized on bright sunny days.

Lens Covers: 

  • The latest version doesn’t come with flip-up covers while the Aimpoint PRO has come with lens covers.


Glass and Dot: 

  • Both has the same dot crispness, contrast as well as glass clarity


  • CompM4 and PRO model have the same amount with a similar big knob located on the side part. You can buy an extra amount for an upgrade if you want.


  • Both models come with two years warranty for competition or professional application and ten years warranty for personal application from the time you buy this product.

Both models have 2 MOA red dot retiles, which are extremely sharp. Even when set to a higher level of brightness, the red dots stay clear and crisp. The integrated 2 MOA size makes it simple to engage a target out to 200 yards. The dot is extremely small to keep away from hindering the target. Both the Comp and Pro optics are comprehensive size red dots.

Conclusion: Aimpoint Comp M4 vs Pro

Still, the Aimpoint PRO model is a higher-performing optic with the aim of serving low budget police departments. This is a top performer for optics, serving in the neighborhood street or on a hunting rifle. It is more compact and lighter. If you want to save money but prioritize quality and performance, then you must opt for this model. If you are taking your pistol out to work, there is no need to splash out extra money for some settings and improved battery power of and already remarkable battery life.

State of the art Aimpoint CompM4s model is the best and superior optic available. It is considered the toughest optic you can purchase. You can rely on the durability of this optic, and you are able to go the extra mile with the application of this sight. This is used by the military in wars, and it is the perfect option if you will be in a war zone. Both have 2 MOA, which makes it perfect for close quarter battles. This feature is very useful and valuable with regard to home defense.

Between the Aimpoint Comp M4s and other models, we notice more perks in picking the M4s that offer a better field of sight that has a low profile as well as remarkable protection should your mounted weapon drop. On the other hand, in general, if your needs are not as extreme as to need the M4s expertise, then the Aimpoint PRO model will surely serve you well without spending a lot of your money.

About the Author Anton Scharff

Anton is a hunting expert who respects nature. Ask him anything about large game. Lover of the great outdoors.

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