Best Red Dot For B&T APC9

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I’ve had the opportunity to rigorously test the B&T APC9 PRO. This compact and versatile weapon has been a subject of my thorough examination, especially with a focus on evaluating its compatibility and performance with different optics. 

My hands-on testing of the B&T APC9 PRO, combined with a detailed analysis of various optics, aims to provide clear, practical insights. 

In this article, we delve deep into reviewing various optics for the B&T APC9 PRO. The primary goal is to offer clear, concise, and practical advice on selecting the right optic for this specific firearm. 

Top 5 Best B&T APC9 Red Dots

1. Holosun 510C – Best Overall

The Holosun 510C is a robust and versatile reflex optic, ideal for newcomers to pistol caliber rifles like the BT GHM 9.

Multi-Reticle Modes: The Holosun 510C stands out with its three reticle options, catering to various shooting scenarios. The 2 MOA dot is perfect for precision aiming at longer ranges, while the 65 MOA ring excels in rapid target acquisition for close-quarter scenarios. 

Combining both offers a hybrid solution, enhancing adaptability. During field tests, I found switching between these modes seamless, significantly aiding in diverse shooting environments.

Large Lens for Faster Shooting: This optic’s large lens and unlimited eye relief are game changers. It allows for quick target acquisition, which is crucial in dynamic shooting situations. 

The wide field of view provided by the large window kept me aware of my surroundings, making target transitions fluid and natural. This feature was particularly noticeable during rapid movement drills, where maintaining situational awareness is key.

Extended Battery Life: The longevity of the Holosun 510C’s battery is remarkable. In my experience, the optic reliably sustained its performance without any need for frequent battery changes, which is a huge plus for prolonged field use. 

The extended battery life means less worry about power and more focus on the shooting experience.

Solar Power Backup: The solar power backup is an innovative feature that enhances the optic’s reliability. In bright conditions, the solar panel efficiently supplements the battery, ensuring the sight remains operational even in prolonged outdoor sessions. 

This feature came in handy during a full day of shooting in varied lighting conditions, providing consistent performance without battery drain.

Why I Love It: The Holosun 510C is a blend of reliability, versatility, and user-friendliness. Its extended battery life, multiple reticle options, and robust construction make it a top choice for any shooter. It’s an optic that delivers performance without complications, enhancing the shooting experience substantially.

My Experience  

Mounting the Holosun 510C on my B&T APC9 PRO transformed my shooting experience. 

The optic’s responsive reticle adjustment and clear sight picture improved my target acquisition speed and accuracy. Its lightweight design kept the rifle balanced and easy to handle.


  • Multiple reticle options for versatile use.
  • Extended battery life reduces maintenance.
  • Solar power backup for continuous operation.
  • Easy to mount on various platforms.
  • Large lens for quick target acquisition.
  • Durable titanium frame construction.


  • High brightness setting can cause reticle distortion.

2. Holosun 512C – Great Value for Money

The Holosun 512C is a robust and feature-rich enclosed reflex sight with a unique gold reticle designed for durability and versatility.

Aluminum Housing: The aluminum housing of the Holosun 512C is a standout feature, offering a sturdy and resilient build. This construction ensures the sight can withstand the rigors of active use, whether in training or in the field. 

My experience has shown that it handles recoil exceptionally well, maintaining zero even after repeated use on the B&T APC9 PRO.

Wide Field of View: The wide field of view on this sight is a game-changer. It allows for quick scanning of the environment and easier tracking of moving targets. 

During testing, this feature significantly enhanced my situational awareness, allowing me to keep track of multiple targets without sacrificing focus on my primary aim.

Tool-less Battery Compartment: The convenience of the tool-less battery compartment cannot be overstated. It allows for quick and hassle-free battery changes, a critical factor in the field where time and ease are of the essence. 

This design element reflects thoughtful consideration of practical use, which I greatly appreciated during extended shooting sessions.

Shake Awake Technology with Last Setting Recall: The Shake Awake technology is innovative, ensuring the sight is energy-efficient while being immediately ready for use. 

However, I noticed some inconsistencies with this feature in low-light conditions, where the reticle did not always activate promptly.

Why I Love It: The Holosun 512C is a reliable and versatile optic that offers great value for money. Its robust build, wide field of view, and unique gold reticle make it a standout choice for any shooter looking for a durable and efficient sight.

My Experience  

Using the Holosun 512C on my B&T APC9 PRO was a positive experience overall. The sight’s sturdy build and clear optics enhanced my shooting accuracy and speed. The wide field of view was particularly helpful in maintaining situational awareness.


  • Sturdy aluminum housing withstands heavy use.
  • Wide field of view for enhanced situational awareness.
  • Easy battery replacement with tool-less compartment.
  • Unique and clear gold reticle.
  • Dual power supply for reliable operation.
  • Innovative Shake Awake technology saves energy.


  • Inconsistent performance of Shake Awake in low-light conditions.
  • Gold reticle might not suit all user preferences.

3. Trijicon MRO – Wide Field of View

The Trijicon MRO is a compact reflex sight designed for fast target acquisition, featuring a large viewing area and robust construction.

Large Viewing Area: The expansive viewing area of the Trijicon MRO is a standout feature. It significantly reduces the “tube effect” commonly associated with smaller optics, allowing for faster target acquisition. 

This was particularly evident in my field tests, where the larger field of view facilitated quick engagement with targets, especially in dynamic shooting scenarios where rapid movement and situational awareness were crucial.

Adjustable Brightness Settings: The eight brightness settings, including a mid-position “Off” feature, provide flexibility for varying light conditions. 

I found this to be a useful feature during transitions from bright daylight to shaded areas. However, I did feel the need for more granularity in brightness adjustments, especially in extreme lighting conditions.

Easy-to-Set Adjusters: The user-friendly adjusters of the Trijicon MRO make windage and elevation adjustments straightforward and precise. 

The positive-click reticle movement in MOA increments requires no special tools, which I appreciated during field adjustments. This feature contributed to maintaining accuracy and zero, even after rough handling.

Superior Quality Glass Lenses: The multi-coated lenses of the MRO provide excellent clarity and light-gathering capabilities. 

The zero distortion and crisp dot reticle were particularly impressive during my testing. These high-quality lenses ensured a clear sight picture in various lighting conditions, enhancing target engagement accuracy.

Why I Love It: The Trijicon MRO stands out for its large viewing area, robust build, and high-quality lenses. Its ease of use, combined with the durability it offers, makes it an excellent choice for a variety of shooting applications, from casual range sessions to more demanding tactical environments.

My Experience  

Mounting the Trijicon MRO on my B&T APC9 PRO significantly enhanced my shooting experience. The large viewing area allowed for rapid target engagement, and the robust build provided the confidence that it could withstand the rigors of regular use.


  • Large viewing area for faster target acquisition.
  • Eight adjustable brightness settings for versatility.
  • Easy-to-set adjusters for hassle-free operation.
  • Superior quality glass lenses for clear vision.
  • Durable aircraft-grade aluminum housing.
  • Waterproof and sealed construction for reliability.


  • Limited brightness settings for extreme lighting conditions.

4. EOTECH EXPS3 – Best Night Vision

The EOTECH EXPS3 is a high-performance holographic weapon sight designed for superior visibility in both day and night conditions.

Large Field of View: The large field of view of the EOTECH EXPS3 is a significant advantage. It allows for rapid target acquisition and situational awareness, crucial in close-quarter combat (CQB) scenarios. 

During my field tests, I particularly appreciated this feature when navigating tight spaces, as it provided a broad visual range while keeping both eyes open, enhancing my reaction time and accuracy.

Additional Protection: The external lens hood on the EXPS3 adds an extra layer of durability, shielding the main optic from external impacts. 

This feature proved its worth in rugged field conditions, ensuring that the sight remained functional and undamaged even after accidental bumps and scrapes, which are inevitable during dynamic movements.

Auto Shut-Down: The auto shut-down feature, programmable to 4 or 8 hours, is a thoughtful addition, conserving battery life when the sight is inadvertently left on. 

This feature came in handy during long days in the field, ensuring that I didn’t return home to a dead battery after a long day of shooting.

Night Vision Compatibility: The night vision compatibility of the EXPS3 is a game-changer. It seamlessly integrates with Gen 1-3 night vision devices, enhancing its utility in low-light conditions. 

During night operations, this feature provided a clear and crisp sight picture, significantly enhancing my target acquisition capabilities.

Why I Love It: The EOTECH EXPS3 is a top-tier holographic sight that excels in both day and night conditions. Its robust construction, large field of view, and night vision compatibility make it an indispensable tool for any serious shooter.

My Experience  

Mounting the EOTECH EXPS3 on my B&T APC9 PRO transformed my shooting experience, especially in low-light conditions. The sight’s clarity, ease of use, and reliability significantly enhanced my shooting accuracy and confidence in both day and night scenarios.


  • Large field of view for enhanced target acquisition.
  • Durable with additional lens protection.
  • Effective CQB holdover with 68 MOA ring.
  • Auto shut-down feature saves battery.
  • Raised height for comfortable shooting posture.
  • Night vision is compatible with low-light use.


  • The red dot can appear fuzzy to some users.
  • Higher price point compared to other red dot sights.

5. Aimpoint Micro T-2 – Best Choice for Professional 

The Aimpoint Micro T-2 is a battle-tested, compact red dot sight renowned for its robustness, reliability, and favored by professionals worldwide.

Built Like a Tank: The 7075 T6 aluminum construction of the Aimpoint Micro T-2 is nothing short of impressive. This material ensures that the sight withstands physical abuses while maintaining zero perfectly. 

In my field tests, I put it through various challenging scenarios, and it consistently held up, proving its resilience and reliability in maintaining accuracy.

Low Profile Design: The low-profile nature of the Aimpoint Micro T-2 makes it an excellent match for compact setups like the BT GHM or APC9.

Its sleek design doesn’t add unnecessary bulk, and it fits comfortably in small bags. During testing, this feature was particularly advantageous for covert operations where discretion and mobility were key.

Insane Battery Life: The extended battery life of this sight is a huge plus. It gives a sense of reliability and readiness, eliminating the constant worry about battery replacement. 

During my long-term testing, the sight was always operational, showcasing its dependable nature in various conditions and over extended periods.

Advanced Lens System: The advanced lens system of the Aimpoint Micro T-2 offers superior light transmission and unmatched optical clarity. 

This resulted in a clear and bright image in various lighting conditions. The 2 MOA red dot reticle facilitated precise target engagement, enhancing my shooting accuracy.

Why I Love It: The Aimpoint Micro T-2 combines durability, clarity, and versatility in a compact package. Its rugged build, long battery life, and clear optics make it an unbeatable choice for professionals who require a reliable and efficient red dot sight.

My Experience  

Mounting the Aimpoint Micro T-2 on my B&T APC9 PRO significantly enhanced my shooting performance. 

Its robust design, coupled with crystal-clear optics, improved my target acquisition and accuracy, particularly in fast-paced and dynamic shooting scenarios.


  • Extremely durable with 7075 T6 aluminum construction.
  • Compact and low profile, ideal for tactical setups.
  • Exceptionally long battery life for consistent readiness.
  • Accepts a variety of mounts for versatility.
  • Advanced lens system provides clear and bright images.
  • Wide range of brightness settings for adaptability.


  • Its high price point makes it a significant investment.

Final Verdict

After extensive testing and evaluation of various optics on the B&T APC9 PRO, I’ve come to a definitive conclusion. 

Each optic reviewed brought its unique strengths to the table, enhancing the firearm’s performance in different scenarios. 

However, after considering all factors such as ease of use, durability, versatility, and overall enhancement of the shooting experience, my top choice is the Holosun 510C. 

This optic stood out for its exceptional balance of features, functionality, and performance. It’s important for shooters to consider individual needs and preferences when choosing an optic, but for a combination of reliability and versatility, the Holosun 510C emerges as the clear winner in my professional opinion.


What is the overall length of the B&T APC9 Pro?

The overall length of the B&T APC9 Pro is 15.15 inches. It’s chambered in 9mm, with a barrel length of 6.9 inches and a capacity of 30+1 rounds.

What is the range of the APC9?

The effective range of the APC9 is approximately 50-75 meters. It features flip-up iron sights integrated into the Picatinny-type rail, enhancing its accuracy at these distances.

What is the difference between the APC9 and the APC9K?

The main difference between the APC9 and the APC9K lies in the barrel length and firing capabilities. The APC9K has a shorter 4.3-inch barrel and a dual folding stock, with a full-auto mode that allows a cyclic rate of fire of 1,080 rounds per minute, unlike the semi-automatic APC9.

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