Trijicon SRO vs RMR – Which is the right sight for Me?

Trijicon SRO vs RMR

Red dot sights primarily serve to furnish shooters with a swift, straightforward, and effective targeting system. They obviate the necessity for aligning the anterior and posterior sights, thereby simplifying the aiming process. Utilizing a red dot sight merely requires positioning the red dot upon the target to be prepared to fire.

These sights also facilitate shooting with a bilateral ocular approach, markedly enhancing situational perceptiveness and visual field. Such a feature becomes especially beneficial in kinetic shooting situations where either the target is mobile or the shooter must swiftly alternate between several targets.

Moreover, red dot sights amplify shooting precision substantially. The red dot, overlaid on the target, neutralizes parallax effects, ensuring that shots are directed precisely where the dot indicates, independent of the viewing angle.

In the upcoming segments, a comparative analysis between two renowned red dot sights – Trijicon SRO and RMR will be explored. Our exploration will envelop their architecture, efficacy, functionalities, and more, aiding you in deciphering which sight aligns with your needs.

Key Takeaways

  • The SRO excels in optic clarity and user-friendly features; RMR is durable and compact.
  • The SRO is ideal for range shooting; RMR suits tactical and rough conditions.
  • Consider your shooting style, firearm type, and try both sights if possible.

Trijicon SRO vs RMR – Comparison

Magnification 1x 1x
Housing material Aluminum Aluminum
Sight window 0.98 x 0.89 in. / 25 x 22.5 mm 0.87 x 0.63 in. / 22 x 16 mm
Lens Tempered glass Tempered glass
Reticle Color Red Red
Dimensions 2.2 x 1.3 x 1.4 inches / 55 x 32 x 34 mm 1.8 x 1.2 x 1.0 in. / 46 x 30 x 25 mm
Weight 1.6 ounces / 46 grams with the battery installed 1.17 ounces with the battery installed
Battery type CR-2032 lithium battery CR-2032 lithium battery
Battery life 3 Years at Brightness setting 4 4+ Years of Continuous Use at Setting 4 of 8
Brightness setting levels Automatic and 8 Adjustable Settings Automatic and 8 Adjustable Settings
Night vision Yes Yes
Available Mounting Adapters Picatinny Rail, Weaver Rail Picatinny Rail, Weaver Rail
Buy on Amazon Buy on Amazon

When it comes to comparing the Trijicon SRO and RMR, it’s essential to consider three crucial aspects: design, performance, and feature set. Both of these sights have their unique strengths and weaknesses, and understanding these can help you make an informed decision about which one is the right fit for your needs.

Durability and Reliability

Evaluating the distinct characteristics of the Trijicon SRO and RMR, it becomes evident that the minor discrepancies between them hold critical weight in their application in shooting and hunting environments. When contemplating durability and reliability, which stand out as pivotal components due to their connection to the product’s longevity and secure operation, subtle differences emerge. The Trijicon SRO and RMR both showcase formidable endurance and reliability, crafted from 7075 T6 Aluminum, ensuring resistance against varying weather conditions and providing waterproof and shockproof qualities.

However, when it comes to their robustness against physical impacts, the RMR prevails due to its patented housing design which shrewdly disperses shocks away from the lens, enhancing its durability. Furthermore, its functionality under submersion is superior to the SRO, sustaining effectiveness even at 66 feet underwater, as opposed to the SRO’s 10 feet.

Trijicon SRO

Trijicon SRO

Trijicon's SRO red dot optic excels with an expansive field view and swift target acquisition. Compatible with iron sights and G17 RMR optic cut slides, it ensures versatile targeting.

Size and Weight

Size and weight, pivotal for optimal handling and ease of mounting, significantly impact the user’s experience. Here, the Trijicon RMR secures its second triumph, being notably more compact and lightweight than its SRO counterpart. This reduced size and weight facilitate a more straightforward and less cumbersome attachment to weaponry, making it a preferred option for shooters who prioritize minimalism in their optic accessories.

Optic Clarity and Reticle Configuration

Delving into optic clarity and reticle configuration, an optimum view through the lens becomes integral for accurate target acquisition and impact. The Trijicon SRO shines brilliantly in this domain with its commendably large, clear field of view provided by the tempered glass, paired with three reticle options catering to varied shooting needs, granting it the winning position in this category.

The SRO, unlike the RMR, avails its user a wide field of view due to its circular window, and a choice between 1 MOA, 2.5 MOA, and 5 MOA, catering aptly to diverse shooting applications, from high-precision distant shooting to close-range engagements.

Trijicon RMR Type 2

Trijicon RMR Type 2

The Trijicon RMR Type 2 boasts unmatched durability, clear glass, and night vision compatibility. It withstands diverse harsh conditions, ensuring consistent performance. With eight brightness settings, extended battery life, and various dot sizes, it offers superior adaptability.

Brightness Adjustment

Brightness adjustment further influences an optic’s proficiency in various lighting conditions. While both the Trijicon SRO and RMR offer eight levels of brightness adjustment, including settings for night vision, the SRO slightly nudges ahead with its three operational modes – manual, lock-in, and lock-out. These modes offer tailored usability, including a lock-in mode that memorably preserves the user’s brightness setting, providing a small yet valuable enhancement over the RMR’s features.

Power Source and Battery Life

Regarding the power source, while both optics employ the reliable CR-2032 lithium battery, nuances in battery compartment design and battery longevity create a fine line of superiority. The Trijicon SRO presents a slightly more user-friendly design by positioning the battery compartment on top of the optic, thereby eliminating the need to demount the optic for battery replacements. Although it offers marginally less battery life than the RMR, the ease of accessibility to the battery compartment generously compensates for this, bestowing the SRO a marginal victory in this aspect.

Windage and Elevation Adjustment

Both Trijicon SRO and RMR maintain a commendable stability in windage and elevation adjustment, which is essential for maintaining an accurate aim point, or “Zero”. Remarkably, even under the stress of being dropped or bumped, these optics will hold their zero, a feature that is undeniably invaluable in various shooting scenarios. Their consistent performance in holding zero and the tool-less adjustment method means both optics share the laurels in this category.


In terms of footprint, both SRO and RMR capitalize on the universally appreciated “RMR” footprint, enhancing their compatibility with various weapons and ensuring ease of mounting and dismounting, thereby jointly holding their ground in this category.

In conclusion, the decision between the Trijicon SRO and RMR revolves around specific user needs and applications. With the RMR accentuating durability, size, and weight, and the SRO excelling in optic clarity, reticle options, brightness adjustments, and power source design, each model champions its own unique advantages in distinct shooting scenarios and user preferences.

Factors to Consider When Choosing Between SRO and RMR

Deciding between the Trijicon SRO and RMR is not a simple task. It requires a thorough understanding of your needs, shooting style, and the specific features offered by each sight. The decision ultimately comes down to your personal preferences.

Considerations for Choice

The main considerations for choosing between the Trijicon SRO and RMR should include the sight’s design, performance, and its convenience in terms of features.

While the SRO offers a larger field of view and is easier to use for target acquisition, the RMR’s rugged design and durability make it a better choice for more strenuous situations. The RMR is also more compact, which could be an advantage for those requiring a low-profile sight.

My Experience with Both Sights

In my experience, both the SRO and RMR have proven to be reliable, efficient, and high-performing sights. I found the larger window of the SRO to be particularly beneficial for fast target acquisition during range shooting. The ease of use and intuitive design made it a pleasure to work with.

On the other hand, the RMR’s durability and robust design were impressive. It performed exceptionally well in tactical situations and rough conditions. Its compact design was less obtrusive, making it a better fit for my carry gun.

Factors to Keep in Mind When Making a Decision

When choosing between the SRO and RMR, it’s important to consider the following factors:

  • Use: If you’re primarily using your firearm for range shooting, the SRO’s large window and easy target acquisition might be more beneficial. However, for tactical use or self-defense, the RMR’s durability and compact design might be more appropriate.
  • Firearm type: The type of firearm you’re using could also influence your decision. The SRO’s larger design might be better suited for larger firearms, while the RMR’s compact size could be better for smaller firearms or handguns.
  • Personal preference: Ultimately, the decision between the SRO and RMR comes down to personal preference. What works best for you may not work as well for someone else, so it’s important to try out both sights if possible before making a decision.

By keeping these factors in mind, you can make an informed decision about which sight is the best fit for your needs. You may also want to consider other comparisons, such as Leupold DeltaPoint Pro vs Trijicon SRO and Holosun 507c vs Trijicon SRO, to see how these sights stack up against other popular options in the market.