When it comes to equipping the MP40 with a red dot sight, precision and durability are top priorities. The MP40, with its historic design and modern applications, benefits from a red dot that complements its lightweight and compact nature.
Over the years, I’ve tested a range of sights, and in this article, I’ll take you through the best red dots for the MP40 in 2024. I’ll share personal experiences, specifications, and reviews from other users, so you can make an informed choice.
Top 9 Best Red Dots for Heckler & Koch MP40 of 2024
1. Trijicon MRO (Miniature Rifle Optic)
Short Description
The Trijicon MRO is known for its ruggedness and large objective lens, offering a wide field of view. It’s an ideal match for the MP40, as it balances military-grade durability with civilian-friendly features.
Specifications:
- Magnification: 1x
- Objective Lens Size: 25mm
- Battery Life: 5 years on setting 3
- Weight: 4.1 oz
- Reticle: 2 MOA red dot
Best Features:
- Exceptional field of view
- Robust housing for tactical use
- Fully adjustable brightness settings
Advantages:
- Long battery life, ideal for extended use
- Easy-to-use controls, even with gloves
- Parallax-free design ensures that the dot stays true to the target regardless of head positioning
Disadvantages:
- The price point is higher than most entry-level red dots
- Slightly bulkier compared to smaller alternatives
Personal Experience:
I’ve used the MRO on both the MP40 and other submachine guns. Its wider field of view makes it incredibly easy to acquire targets quickly, which is essential for close-quarters engagements. The durability also shines through—after months of use, it barely showed signs of wear, even in harsh conditions.
User Comments:
- “The Trijicon MRO is my go-to optic for anything rugged. It’s built like a tank.”
- “I love the crisp dot and the large sight window. It works beautifully on my MP40.”
Notes:
Be prepared for the MRO’s slightly larger size, but once mounted, the performance outweighs the bulk.
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2. Aimpoint Micro T-2
Short Description
The Aimpoint Micro T-2 is a compact red dot with a reputation for extreme durability and reliability. It pairs exceptionally well with the MP40, offering high performance without adding unnecessary weight.
Specifications:
- Magnification: 1x
- Objective Lens Size: 18mm
- Battery Life: 50,000 hours
- Weight: 3.0 oz
- Reticle: 2 MOA red dot
Best Features:
- Lightweight and compact
- Advanced lens coatings for improved clarity
- Night vision compatible
Advantages:
- Extremely long battery life
- Small and light, doesn’t interfere with handling
- Waterproof and shockproof
Disadvantages:
- Expensive for its size
- The small objective lens may limit field of view
Personal Experience:
The Micro T-2 is a fantastic choice for the MP40 if you want to keep the gun light. I found it especially useful in scenarios where quick target transitions were needed. The sight picture is clear, and the dot stays sharp in varying light conditions.
User Comments:
- “This sight is incredible. It’s light, durable, and holds zero even after heavy use.”
- “Perfect for my MP40. It doesn’t get in the way, and the battery life is insane.”
Notes:
Consider adding a riser for better co-witnessing if you plan to use backup iron sights.
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3. Holosun HS510C
Short Description
The Holosun HS510C offers a holographic experience at a fraction of the price compared to some of its competitors. This makes it a great option for MP40 users looking for an affordable, yet highly functional, optic.
Specifications:
- Magnification: 1x
- Objective Lens Size: Open design
- Battery Life: Up to 50,000 hours
- Weight: 4.94 oz
- Reticle: 2 MOA dot & 65 MOA circle
Best Features:
- Solar panel for extended battery life
- Multi-reticle system
- Durable titanium housing
Advantages:
- Easy target acquisition with the large reticle
- The solar panel ensures continuous operation
- Affordable for the features it provides
Disadvantages:
- Heavier than some other red dots
- Open design might be more susceptible to environmental elements
Personal Experience:
I’ve always enjoyed using the HS510C because of its large, clear sight picture and versatility. On an MP40, it feels natural, especially when engaging targets at varying ranges. The solar backup is a great feature, ensuring you never run out of juice during long sessions.
User Comments:
- “For the price, you can’t beat it. The solar feature alone makes it worth it.”
- “The reticle options are a game changer, especially in dynamic shooting environments.”
Notes:
Make sure to keep the lens clean since the open design is more exposed.
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4. Leupold DeltaPoint Pro
Short Description
The Leupold DeltaPoint Pro is a compact and lightweight reflex sight known for its crystal-clear optics and rugged construction. It’s ideal for enhancing the quick-pointing ability of the MP40.
Specifications:
- Magnification: 1x
- Objective Lens Size: 25.7mm
- Battery Life: 1,600 hours
- Weight: 2.0 oz
- Reticle: 2.5 MOA red dot
Best Features:
- Motion sensor technology to conserve battery
- Crystal-clear glass for optimal light transmission
- Compact, lightweight design
Advantages:
- Auto-on feature when motion is detected
- Compact enough to not interfere with holstering or manipulation
- Crisp and clear reticle
Disadvantages:
- Battery life is shorter compared to other red dots
- Requires a specific battery type that can be less common
Personal Experience:
The DeltaPoint Pro has been one of my favorites for quick target acquisition, thanks to the motion sensor and clear reticle. On the MP40, it feels unobtrusive and provides a superior sight picture without weighing down the firearm.
User Comments:
- “It’s fast, it’s accurate, and it’s built like a tank. I couldn’t ask for more.”
- “The auto-on feature is a lifesaver, especially when you need to react quickly.”
Notes:
Carry spare batteries, especially for extended outings, as the battery life is shorter compared to others.
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5. Sig Sauer ROMEO5
Short Description
The Sig Sauer ROMEO5 is one of the most popular red dots due to its affordability and solid performance. It’s a fantastic match for the MP40, offering advanced features without breaking the bank.
Specifications:
- Magnification: 1x
- Objective Lens Size: 20mm
- Battery Life: 40,000 hours
- Weight: 5.1 oz
- Reticle: 2 MOA red dot
Best Features:
- MOTAC (Motion Activated Illumination) conserves battery
- Affordable without sacrificing performance
- Waterproof and fog-proof
Advantages:
- Great value for the money
- Long-lasting battery life
- Durable and reliable in harsh conditions
Disadvantages:
- Slightly heavier than some competitors
- The glass can have a slight tint, which may bother some users
Personal Experience:
The ROMEO5 is one of the best budget-friendly options that I’ve used. It’s reliable, and I especially appreciate the MOTAC feature, which helps conserve battery life. On the MP40, it feels balanced and doesn’t add unnecessary weight.
User Comments:
- “Fantastic red dot for the price. It performs well in all conditions.”
- “I love the automatic on/off function. It’s been perfect for my MP40.”
Notes:
Ensure proper zeroing to maximize its effectiveness, as slight adjustments might be needed out of the box.
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6. Vortex Venom
Short Description
The Vortex Venom is a lightweight, low-profile red dot sight that excels in both speed and precision. It’s an excellent choice for the MP40, offering high performance at a reasonable price.
Specifications:
- Magnification: 1x
- Objective Lens Size: 26.5mm
- Battery Life: Up to 30,000 hours
- Weight: 1.1 oz
- Reticle: 3 MOA red dot
Best Features:
- Automatic brightness mode
- Ultra-clear lens with anti-reflective coatings
- Compact and easy to mount
Advantages:
- Extremely lightweight
- Clear sight picture with fast target acquisition
- Affordable
Disadvantages:
- Smaller field of view
- The battery compartment requires removing the sight to change batteries
Personal Experience:
I’ve always appreciated the clarity and ease of use that the Vortex Venom offers. On the MP40, it’s barely noticeable weight-wise but enhances my ability to quickly engage targets, especially during rapid-fire scenarios.
User Comments:
- “Incredibly light and effective. The automatic brightness works like a charm.”
- “It’s the perfect size for my MP40, and the sight picture is always clear.”
Notes:
Keep an eye on battery life, and be ready to unmount it when changing batteries.
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7. EOTech EXPS3
Short Description
The EOTech EXPS3 is a holographic sight designed for close-quarters combat, making it an excellent fit for the MP40. Its holographic reticle allows for fast target acquisition and precise aiming, even in dynamic shooting environments.
Specifications:
- Magnification: 1x
- Objective Lens Size: 30mm
- Battery Life: 1,000 hours at setting 12
- Weight: 11.2 oz
- Reticle: 1 MOA dot & 68 MOA ring
Best Features:
- Quick detach lever for easy mounting and removal
- Night vision compatibility
- Large sight window for improved situational awareness
Advantages:
- Extremely fast target acquisition
- Wide field of view for close-quarters engagements
- Durable and reliable in rugged environments
Disadvantages:
- Heavier and bulkier compared to other red dot sights
- Shorter battery life than some competitors
Personal Experience:
I’ve always found the EOTech EXPS3 to be one of the best options for close-quarters combat. On the MP40, it feels slightly bulky, but the trade-off is worth it for the quick target acquisition and the large field of view. In fast-paced environments, this holographic sight excels.
User Comments:
- “The sight is built like a tank and offers one of the best reticles for fast engagements.”
- “I love how quick it is to acquire targets with this sight. It’s perfect for my MP40.”
Notes:
Be mindful of the battery life, and consider carrying extra batteries if you’re in the field for extended periods.
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8. Burris FastFire III
Short Description
The Burris FastFire III is a compact, reflex red dot sight that’s great for fast shooting and a perfect match for the MP40. Its lightweight construction and easy-to-use features make it ideal for both beginners and experienced shooters.
Specifications:
- Magnification: 1x
- Objective Lens Size: 21mm
- Battery Life: 5,000 hours
- Weight: 1.5 oz
- Reticle: 3 MOA red dot
Best Features:
- Automatic brightness sensor
- Lightweight and compact design
- Shockproof and waterproof
Advantages:
- Very affordable and lightweight
- The automatic brightness sensor adjusts based on lighting conditions
- Durable despite its small size
Disadvantages:
- Battery life is shorter than premium models
- The reticle may be too small for those who prefer larger dots
Personal Experience:
The Burris FastFire III is one of the lightest red dots I’ve used on the MP40. It doesn’t add any noticeable weight, and the auto-brightness feature is very convenient in rapidly changing lighting conditions. However, it’s essential to check the battery periodically due to its relatively short lifespan.
User Comments:
- “Perfect for my needs—light, fast, and precise.”
- “Great value for the money, especially for a sight this compact.”
Notes:
Always ensure you have spare batteries on hand, especially if you use the sight for extended periods.
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9. Swampfox Liberty
Short Description
The Swampfox Liberty is a highly versatile red dot sight that comes with durable construction and user-friendly features. It pairs well with the MP40 for both tactical and recreational shooting.
Specifications:
- Magnification: 1x
- Objective Lens Size: 22mm
- Battery Life: 4,000 hours
- Weight: 1.1 oz
- Reticle: 3 MOA red dot
Best Features:
- Affordable yet rugged construction
- Shake N’ Wake technology to conserve battery life
- Scratch-resistant and anti-glare lens coating
Advantages:
- Lightweight and compact
- Shake N’ Wake ensures the sight is ready at all times
- Highly durable for its price range
Disadvantages:
- Battery life is decent but not as long as some premium options
- Limited reticle size options
Personal Experience:
The Swampfox Liberty is a great budget-friendly option, and the Shake N’ Wake feature worked flawlessly during my testing. On the MP40, it feels well-balanced and provides a clear sight picture. I’d recommend it for users who want reliability without spending a fortune.
User Comments:
- “Great value, and the Shake N’ Wake is super responsive.”
- “The Liberty has been a solid performer on my MP40. Lightweight and tough!”
Notes:
Check your reticle brightness settings before starting your session, as the battery life tends to deplete faster on higher settings.
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How to Choose the Best Red Dot for MP40
When selecting the best red dot for your MP40, there are several key factors to consider:
Durability: Since the MP40 is often used in tactical and dynamic environments, the red dot needs to withstand shock, impact, and rough handling. Opt for a sight with a rugged housing, such as those made from aircraft-grade aluminum or titanium.
Battery Life: A long-lasting battery is essential for continuous use, especially in field operations. Look for sights with at least 10,000 hours of battery life or energy-saving features like motion activation.
Field of View: The MP40 benefits from red dots with wide sight windows to improve target acquisition in close quarters. Larger lenses or holographic sights like the EOTech EXPS3 can offer a wider field of view.
Reticle Options: Having a multi-reticle option, like with the Holosun HS510C, can improve flexibility in different shooting scenarios. A 2 MOA dot is typically ideal for precision, while larger dots or circle-dot combinations are better for quick engagements.
Mounting Compatibility: Ensure the red dot is easy to mount on your MP40. Quick detach mounts, such as the one on the EOTech EXPS3, allow for rapid adjustments or removal if necessary.
FAQs
Q: What’s the best budget red dot for the MP40?
A: The Sig Sauer ROMEO5 and the Swampfox Liberty are both excellent budget-friendly options that offer reliability and good features without breaking the bank.
Q: How often should I change the battery in my red dot?
A: This depends on the sight and its battery life. Red dots like the Aimpoint Micro T-2 can last years on a single battery, while others like the Burris FastFire III may need more frequent changes. I recommend checking your sight’s battery status every few months, especially if it’s used heavily.
Q: Are holographic sights better for the MP40 than reflex sights?
A: It depends on your shooting style. Holographic sights, like the EOTech EXPS3, generally provide faster target acquisition due to the large window and reticle, but reflex sights are typically lighter and more compact, which might suit some users better.
Conclusion
Choosing the best red dot for your MP40 in 2024 comes down to a balance between performance, durability, and personal preference.
Whether you opt for a premium sight like the Trijicon MRO or a budget-friendly alternative like the Swampfox Liberty, ensuring that your red dot suits your shooting needs is critical for getting the most out of your MP40.
For me, it’s all about fast target acquisition and ruggedness, but the right red dot for you will depend on your shooting style and environment. Happy shooting!