It comes ready for combat with a threaded barrel for suppressors and a slide cut for mounting a red dot sight, which can dramatically improve your aiming speed and precision.

Having extensively used the FNX-45 Tactical myself, and after pouring over countless reviews and product specifications, I've curated a list of the top red dot sights that will maximize the performance of this exceptional firearm.

MY CHOICE 👇

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Trijicon RMR Type 2⁠

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Leupold Deltapoint Pro⁠

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Vortex Venom⁠

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Aimpoint ACRO P-2⁠

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HOLOSUN 507C⁠

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Note: This article reflects my personal opinions. While the products mentioned may not be perfect for everyone, they might be useful for some readers.

Top 5 Best Red Dot Sight for FNX-45 Tactical of 2024

1. Trijicon RMR Type 2

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Specifications:

Dot Size: 3.25 MOA

Battery Life: Up to 4 years

Material: Forged Aluminum

Water Resistance: Submersible to 20 meters

Best Features:

Renowned for its durability and reliability under extreme conditions.

Automatic brightness adjustment and easy-to-use manual settings.

Pros:

Extremely rugged and capable of withstanding the heavy recoil of the .45 ACP.

Compact design that fits seamlessly on the FNX-45 Tactical.

Cons:

Premium price point that might not be affordable for all shooters.

Smaller viewing window compared to other models.

Experience Using the Product: Mounting the Trijicon RMR Type 2 on my FNX-45 Tactical has been a game-changer. The optic is almost indestructible, maintaining zero after hundreds of rounds and various environmental exposures. Its crisp dot and automatic brightness make it versatile for both daytime and low-light scenarios.

Customer Comments: Users often highlight the reliability and robustness of the RMR Type 2, though some mention the cost as a significant investment. Overall, the sentiment is that it’s worth every penny for serious shooters.

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2. Leupold DeltaPoint Pro

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Specifications:

Dot Size: 2.5 MOA

Battery Life: Depends on usage

Material: Aluminum

Water Resistance: Waterproof

Best Features:

Large and clear field of view with a motion sensor for automatic activation.

Easy access, tool-less battery compartment.

Pros:

Wide window offers excellent situational awareness.

Motion sensor technology conserves battery life efficiently.

Cons:

The top-loading battery can be convenient, but replacing it may occasionally disrupt zero.

Some shooters find the 2.5 MOA dot too small for quick target acquisition.

Experience Using the Product: The DeltaPoint Pro’s large viewing window makes it ideal for the rapid target engagement required in tactical situations. It’s a reliable companion to the FNX-45 Tactical, enhancing my ability to quickly acquire targets in competitive shooting and defensive scenarios.

Customer Comments: Most feedback is overwhelmingly positive, especially about the optic's field of view and user-friendly design. However, occasional concerns about the durability compared to fully enclosed red dot systems are noted.

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3. Vortex Optics Venom

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Specifications:

Dot Size: 3 MOA

Battery Life: Up to 150 hours on the highest setting; 30,000 hours on lower settings

Material: Aluminum

Water Resistance: Waterproof

Best Features:

High-quality, multi-coated lens for superb clarity.

Top-load battery feature allows for easy replacement without removing the sight.

Pros:

Clear and bright optics enhance target acquisition.

The low profile maintains the handgun's balance and handling.

Cons:

Battery life on the highest setting could be better.

Some users report the auto-brightness feature can be less responsive in transitioning light conditions.

Experience Using the Product: My personal experience with the Vortex Optics Venom has been largely positive. It’s lightweight and doesn’t add bulk to the FNX-45 Tactical, which is crucial for maintaining its ergonomic handling. The 3 MOA dot is an excellent balance for both precision and speed.

Customer Comments: The Venom is often praised for its clarity and value for the price. While there are minor gripes about battery life and brightness settings, it remains a favorite among tactical shooters for its performance and affordability.

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See More & Go to The Seller With The Best Price⁠

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4. Aimpoint ACRO P-1

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Specifications:

Dot Size: 3.5 MOA

Battery Life: Over 1 year of continuous use

Material: High-strength aluminum

Water Resistance: Submersible to 25 meters

Best Features:

Fully enclosed housing protects the optic from dirt and debris.

Designed to operate under extreme conditions and withstand significant shock.

Pros:

Exceptionally durable with a fully enclosed body.

The interface is user-friendly, making it easy to operate under stress.

Cons:

Heavier and bulkier compared to other red dots, which might affect handling.

The battery life is decent but not the best in its class.

Experience Using the Product: Using the Aimpoint ACRO P-1 on the FNX-45 Tactical has provided me with a robust sighting solution that’s practically impervious to environmental challenges. The optic’s build quality and reliability make it an excellent choice for anyone who expects to use their firearm in harsh, unpredictable conditions.

Customer Comments: Users who prioritize durability and reliability in their optics find the ACRO P-1 to be unmatched. However, its size and weight can be a detractor for those who prefer more compact optics.

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See More & Go to The Seller With The Best Price⁠

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5. Holosun 507C

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Specifications:

Dot Size: 2 MOA Dot & 32 MOA Circle

Battery Life: Up to 50,000 hours

Material: CNC-milled Aluminum

Water Resistance: IP67

Best Features:

Solar Failsafe technology that utilizes ambient light to power the optic and extend battery life.

Multiple reticle options for various tactical situations.

Pros:

Versatile reticle settings provide adaptability for different shooting needs.

Excellent battery life and robust construction.

Cons:

Some users may find the circle dot reticle too busy for precise shooting tasks.

Slightly higher learning curve due to advanced features.

Experience Using the Product: The Holosun 507C V2 is a fantastic match for the FNX-45 Tactical, especially in dynamic shooting environments where quick reaction times are crucial. The ability to switch between a simple dot and a more complex circle/dot reticle allows for great flexibility depending on the scenario.

Customer Comments: Most shooters appreciate the Holosun 507C V2 for its reliability, clear optics, and the flexibility of its reticle system. There are occasional remarks about complexity for newer users, but overall, it is highly regarded in the tactical community.

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How to Choose the Right Red Dot for FNX-45 Tactical?

Choosing the right red dot sight (RDS) for your FNX-45 Tactical depends on a few factors:

Your Intended Use:

Target Shooting: Prioritize a clear dot with precise adjustment options. A 1 MOA dot size is ideal for long-range accuracy. Trijicon RMR is a popular choice here.

Home Defense/Competition: Focus on durability, fast target acquisition, and a balance between dot size and precision. A 3-MOA dot like the Holosun 507C could be a good fit.

Red Dot Size (MOA):

MOA (Minute of Angle) refers to the dot's apparent size at 100 yards. A smaller MOA (1 MOA) offers more precision, while a larger MOA (3 MOA) is faster to acquire targets.

Open vs. Enclosed Reticle:

Open Reticle: Better field of view, ideal for fast target acquisition. More susceptible to debris or rain. Popular for competition or home defense. (e.g. Holosun 507C)

Enclosed Reticle: More protection for the dot, better for harsh environments. Smaller field of view. Better for target shooting or duty use. (e.g. Trijicon RMR)

Other Considerations:

Battery Life: Different red dots offer varying battery life. Choose one that suits your usage.

Night Vision Compatibility: If you plan to use night vision, ensure the RDS is compatible.

Mounting Plate: Make sure the red dot is compatible with your FNX-45 Tactical's mounting system. You might need a separate mounting plate.

Conclusion

Selecting the best red dot sight for the FNX-45 Tactical hinges on your specific needs, preferences, and the conditions under which you plan to use your firearm.

Whether you prioritize ruggedness, battery life, ease of use, or optical clarity, there's a red dot sight on this list that will significantly enhance your shooting experience.

Each model offers unique advantages, from the nearly indestructible Trijicon RMR Type 2 to the versatile and feature-rich Holosun 507C V2.

By considering these options, you can find the perfect red dot to turn your FNX-45 Tactical into an even more formidable tool for any tactical or defensive situation.

Top 5 Best Red Dot Sight for FNX-45 Tactical of 2024

1. Trijicon RMR Type 2

2. Leupold DeltaPoint Pro

3. Vortex Optics Venom

4. Aimpoint ACRO P-1

5. Holosun 507C

How to Choose the Right Red Dot for FNX-45 Tactical?

Conclusion

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