Mounting a red dot sight on your Beretta A300 Ultima Patrol is one of the most impactful upgrades you can make—especially if you plan to use the shotgun for home defense, law enforcement, or tactical training.
What Is a Red Dot?
A red dot sight is a type of non-magnifying optic that projects a small illuminated red (or sometimes green) dot onto a lens, which the shooter uses as an aiming point. These sights are designed to improve target acquisition speed, accuracy, and shooting efficiency—especially in close-range or fast-paced scenarios.
why you need a red dot.
Unlike traditional iron sights that require alignment of the front and rear sights, a red dot allows you to aim with both eyes open and focus directly on your target. The dot stays aligned with the bore of the firearm, so wherever the dot is aimed, the shot will go (assuming the sight is properly zeroed). This makes red dots extremely popular for tactical shotguns, handguns, AR-15 rifles, and even hunting setups.
what is Beretta A300 Ultima Patrol?
The Beretta A300 Ultima Patrol is a tactical, semi-automatic shotgun designed for high performance in home defense, law enforcement, and dynamic shooting environments. It is part of Beretta’s A300 series, known for their gas-operated reliability and solid build quality. The Ultima Patrol version takes the proven A300 platform and enhances it with modern tactical features, making it one of the most versatile and user-friendly tactical shotguns on the market.
This shotgun features a 16.5-inch barrel, making it compact and easy to maneuver in tight spaces. It comes equipped with oversized controls—including the bolt release, charging handle, and safety—so users can operate it efficiently under stress or while wearing gloves. The stock is designed for comfort and recoil management, while the M-LOK-compatible forend allows for easy attachment of accessories like weapon lights or foregrips.
One of its standout features is the optics-ready receiver, which supports direct mounting of red dot sights . This allows for faster target acquisition and improved accuracy, especially in low-light or close-quarters scenarios. Some models also include a Picatinny rail for added mounting flexibility.
Why Do I Need a Red Dot on a Beretta A300 Ultima Patrol?
1. Faster Target Acquisition
A red dot allows you to aim quickly without aligning front and rear sights. Just place the dot on your target and shoot. In high-stress or close-quarter situations, speed matters—and a red dot gives you that edge.
2. Better Accuracy Under Pressure
The A300 Ultima Patrol is built for fast action. But even with instinctive shooting, a red dot can significantly improve your accuracy—especially when firing multiple rounds or transitioning between targets.
3. Superior Performance in Low Light
Red dots are illuminated and often adjustable in brightness. This means they remain visible even in dim environments where iron sights or bead sights can be hard to see. For home defense at night or low-light patrol situations, this is a major advantage.
4. Two-Eyes-Open Shooting
Unlike traditional sights that require eye alignment, red dots support both-eyes-open shooting. This preserves your peripheral vision, helping you stay more aware of your surroundings—critical in tactical or defensive scenarios.
5. Designed to Fit
The Beretta A300 Ultima Patrol comes optics-ready with an RMR footprint, so you can directly mount compatible red dot sights (like Holosun 507C, Trijicon RMR, etc.) without extra adapters. This makes installation easy and co-witnessing possible.
6. Ideal for All Skill Levels
Whether you’re a beginner looking for confidence or an experienced shooter seeking tactical efficiency, a red dot removes the guesswork. It helps new users aim more naturally and allows seasoned shooters to operate more quickly and fluidly.
7 Best Red Dots for Beretta A300 Ultima Patrol
1.Vortex Venom
The Vortex Venom Red Dot Sight (3 MOA) is a compact, high-performance optic designed to enhance speed and precision whether you’re using a shotgun, rifle, or pistol. Known for its reliability and clean sight picture, the Venom is particularly well-suited for tactical shotguns like the Beretta A300 Ultima Patrol, offering rapid target acquisition in a lightweight and durable package.
The Vortex Venom 3 MOA Red Dot is a solid choice for shooters looking to increase their speed and accuracy without adding unnecessary weight or complexity. It’s especially effective on tactical shotguns like the Beretta A300 Ultima Patrol, offering a seamless balance of performance, durability, and user-friendly features—all at an accessible price point.
Product Features
Enhanced Speed and Accuracy
At the core of the Venom’s performance is its 3 MOA red dot, which strikes a great balance between speed and precision. It allows for fast target acquisition while still being small enough to offer pinpoint accuracy at mid-range distances. Whether you’re clearing rooms, engaging targets on the move, or training at the range, the Venom ensures your shots are on target with minimal delay.
Rugged Design Built for the Field
The Venom is housed in durable aluminum, giving it the toughness to withstand heavy recoil, rough handling, and harsh environmental conditions. Thanks to O-ring seals, it’s also resistant to moisture, dust, and debris, ensuring dependable performance in any setting—whether you’re shooting in the rain or navigating dusty environments.
Clarity and Visibility
Featuring fully multi-coated lenses, the Venom provides a wide, crisp field of view that helps you stay situationally aware while maintaining focus on your target. The dot brightness controls, located conveniently on the left side of the sight, allow you to switch between 10 brightness levels, or use the auto-brightness mode, which intelligently adjusts intensity using an ambient light sensor.
User-Friendly Adjustments and Maintenance
Sighting in the Venom is simple and efficient, thanks to 1 MOA windage and elevation adjustments that are both sleek and intuitive. One standout feature is the top-loading battery compartment, which lets you replace the CR1632 battery without having to remove the sight from your firearm—saving time and preserving your zero.
Versatile Mounting Options
Whether you’re using a rifle, shotgun, or even a handgun, the Venom is highly versatile. Its compact size and reliable mounting system make it a perfect match for optics-ready platforms like the Beretta A300 Ultima Patrol, giving you flexibility across various firearms and shooting applications.
Specifications
- Reticle Size: 3 MOA Red Dot
- Brightness Levels: 10 manually adjustable + auto mode
- Housing Material: Aluminum
- Battery Type: CR1632 (top-loading)
- Lens Coating: Fully multi-coated
- Adjustments: 1 MOA windage & elevation
- Weather Resistance: O-ring sealed; waterproof, dustproof
- Parallax Free: Yes
Pros
- Fast and accurate 3 MOA dot
- Auto and manual brightness control
- Clear, wide field of view
- Durable aluminum housing
- Easy battery replacement without unmounting
- Works great on shotguns, rifles, and handguns
Cons
- Battery life is good, but not as long as some enclosed red dots
2.Aimpoint ACRO P‑2
The Aimpoint ACRO P‑2 is a top-tier closed-emitter red dot sight engineered for professional use in rugged and demanding conditions. With a refined design and exceptional durability, the P‑2 is an ideal optic for shooters who require a low-profile, ultra-reliable aiming solution for pistols, rifles, and especially tactical shotguns like the Beretta A300 Ultima Patrol.
The Aimpoint ACRO P‑2 is a professional-grade optic built for shooters who prioritize reliability, durability, and clarity under all conditions. Its fully enclosed design makes it a standout option for use on the Beretta A300 Ultima Patrol, ensuring that you’ll have a clear, bright aiming point no matter what the environment throws at you. If you need a red dot sight that can truly handle everything, the ACRO P‑2 is more than up to the challenge.
product Features
Unmatched Durability and Sealing
What truly sets the ACRO P‑2 apart is its completely enclosed housing, which protects the emitter from dust, dirt, water, and recoil-induced shock. This design makes it an excellent choice for harsh environments where open-emitter sights might fail. The optic is submersible to 115 feet (35 meters), ensuring it performs reliably in all-weather and even underwater scenarios. For law enforcement, military, or maritime use, this level of durability is indispensable.
Refined Optical Performance
The ACRO P‑2 features a 3.5 MOA red dot, which offers a great balance between speed and precision. It provides a crisp, highly visible aiming point that remains easy to track whether you’re engaging fast-moving targets or taking careful mid-range shots. The dot remains parallax-free, enabling consistent accuracy from various shooting positions.
Extended Battery Life and Efficiency
With a battery life rated at up to 50,000 hours (over 5 years) on a single CR2032 battery, the ACRO P‑2 delivers incredible longevity. That means you can mount it, zero it, and trust it to be ready whenever needed—without constantly worrying about battery replacement. It comes preinstalled with a CR2032 battery and includes an Aimpoint T10 tool, making setup and adjustments simple.
Compact and Low-Profile Form Factor
Designed for low-profile applications, the ACRO P‑2 fits seamlessly on pistol slides, optics-ready rifles, and tactical shotguns. Its compact footprint makes it particularly well-suited for platforms like the Beretta A300 Ultima Patrol, where speed, reliability, and visibility are paramount. Despite its rugged housing, the ACRO P‑2 remains lightweight and unobtrusive.
Specifications
- Dot Size: 3.5 MOA
- Battery Life: Up to 50,000 hours
- Battery Type: CR2032 (included)
- Submersion Rating: Waterproof to 35 meters (115 feet)
- Footprint Type: Aimpoint ACRO pattern
- Included Accessories: CR2032 battery, Aimpoint T10 tool
- Construction: Fully enclosed aluminum housing
- Use Case: Pistols, shotguns, rifles; optimized for low-profile mounts
Pros
- Fully enclosed emitter—dust, water, and debris resistant
- Extremely long battery life (over 5 years)
- Bright and sharp 3.5 MOA red dot
- Submersible and shock-resistant
- Perfect for tactical shotguns and duty weapons
Cons
- Slightly heavier than open-emitter micro red dots
3.Holosun 407C (V2 / X2)
The Holosun HE407C-GR X2 is a high-performance open reflex sight specifically crafted for full-sized pistols, but it’s equally effective when mounted on tactical shotguns like the Beretta A300 Ultima Patrol. Its durable construction, intuitive operation, and feature-packed design make it a top-tier choice for users who demand speed, precision, and reliability in dynamic environments.
Whether you’re navigating a home-defense scenario or engaged in range training, this optic provides a wide field of view and a crisp 2 MOA green dot reticle that enhances target acquisition. The green reticle is more visible than red in bright daylight, allowing for faster tracking and more accurate shooting in outdoor or high-contrast conditions. The sight’s rugged 7075-T6 aluminum housing ensures long-term durability while keeping weight to a minimum.
One of the standout features is Shake Awake Technology, which puts the LED to sleep during inactivity and instantly reactivates it with even the slightest motion—ensuring your sight is always ready. Combine that with Solar Failsafe, which automatically powers the sight using ambient light when the battery dies, and you get a system built to perform without interruption.
To prevent accidental changes during critical moments, Lock Mode disables the adjustment buttons. Meanwhile, brightness can be easily adjusted between 10 daylight and 2 night vision settings to match any lighting environment. Battery changes are made effortless with a side-mounted tray holding a single CR1632 battery, offering up to 50,000 hours of runtime.
Key Specifications
- Reticle: 2 MOA Green Dot
- Power Source: Solar + CR1632 Battery
- Battery Life: Up to 50,000 Hours
- Brightness Settings: 10 Daylight & 2 Night Vision
- Housing Material: 7075-T6 Aluminum
- Magnification: 1x (Parallax Free, Unlimited Eye Relief)
- Window Size: 0.63″ x 0.91″
- Adjustment Per Click: 1 MOA
- W&E Travel Range: ±50 MOA
- Light Wavelength: 540nm (Green LED)
- Mounting Footprint: Industry-standard
Product Features
- Green Super LED Technology
Offers exceptional visibility and power efficiency, especially in bright conditions where red dots can be harder to detect. - Solar Failsafe
Automatically powers the optic using ambient light when the battery is low or drained, ensuring continuous operation. - Shake Awake Technology
Motion-sensing tech preserves battery life and brings the sight to life instantly when moved. - Lock Mode
Prevents accidental setting changes, particularly useful in high-stress or active environments. - 7075-T6 Aluminum Housing
Aircraft-grade durability ensures resistance to shock, recoil, and environmental abuse. - Side-Loading Battery Tray
Quick and easy battery replacement without removing the sight from your firearm. - User-Friendly Brightness Controls
Easily toggle through multiple brightness levels for daytime or night vision compatibility.
Pros
- Long battery life (up to 50,000 hours)
- Solar backup ensures constant readiness
- Highly visible green dot improves speed and accuracy
- Durable yet lightweight aluminum build
- Side-loading battery compartment
- Lock Mode reduces operational errors
Cons
- Slightly more expensive than entry-level red dots
4.Sig Sauer ROMEO5 / ROMEO5T
The Sig Sauer ROMEO5 is a compact, rugged, and high-performing red dot sight that continues to be a top choice for hunters, tactical shooters, and firearm enthusiasts alike. Designed to mount seamlessly on rifles, shotguns, and carbines—including tactical shotguns like the Beretta A300 Ultima Patrol—the ROMEO5 combines military-grade reliability with advanced optics in a surprisingly affordable package.
Built from solid, lightweight aluminum, the sight offers outstanding durability without adding bulk to your weapon. Whether you’re braving harsh weather in the field or running fast-paced drills at the range, the ROMEO5 is engineered to withstand the rigors of demanding environments.
At the core of its performance is a 2 MOA red dot reticle, which delivers fast target acquisition and pinpoint accuracy. The dot is crisp, clear, and highly visible in varying lighting conditions, thanks to 10 illumination settings—including 8 for daylight and 2 that are night-vision compatible.
Sig Sauer’s proprietary MOTAC (Motion Activated Illumination) technology takes convenience and efficiency to another level. The sight automatically powers off when idle and instantly powers back on with the slightest motion, drastically extending battery life. While the battery is not included, the MOTAC system ensures you’ll rarely have to think about replacing it.
To ensure compatibility across platforms, the ROMEO5 includes both an M1913 Picatinny low mount riser and a co-witness 1.41” riser mount. This means you can tailor your setup for a lower profile or for co-witnessing with your iron sights, depending on your preference and platform.
With IPX-7 waterproofing and fogproof sealing, the ROMEO5 is built to perform in adverse weather. The unlimited eye relief also allows shooters to acquire targets rapidly and comfortably, regardless of head position—ideal for tactical shooting situations where speed is everything.
Key Specifications
- Material: 100% Other Fibers (Lightweight Aluminum Housing)
- Dot Size: 2 MOA Red Dot
- Brightness Settings: 10 (8 Daylight + 2 Night Vision)
- Technology: MOTAC (Motion Activated Illumination)
- Battery Type: Not included
- Mounting System: Integrated Picatinny + M1913 Low Mount Riser + Co-Witness 1.41″ Riser
- Eye Relief: Unlimited
- Waterproof Rating: IPX-7 (submersible up to 1 meter)
- Weight: Lightweight and compact
Top Features
- 2 MOA Red Dot Reticle
Offers precision and quick target acquisition, ideal for both short- and medium-range engagements. - MOTAC Technology
Extends battery life by shutting off the sight during periods of inactivity and instantly reactivating with motion. - Dual Mounting Options
Ships with both low and co-witness riser mounts for compatibility with a variety of firearm setups. - 10 Illumination Levels
Includes night vision settings, making it highly adaptable for all lighting environments. - Rugged Construction
Made from high-grade aluminum and sealed against water and fog for year-round reliability. - Made in USA or Imported
Upholds Sig Sauer’s reputation for quality with precision manufacturing.
Pros
- MOTAC saves battery and improves readiness
- Versatile mounting for different sighting preferences
- Durable and weather-resistant build
- Affordable for its quality level
- Clear and adjustable red dot
Cons
- Battery not included
5.EOTech XPS2 / EXPS3 Holographic
6.Holosun HS507C X2
The Holosun HE507C-GR X2 sets a high bar for pistol optics with its combination of advanced features, robust construction, and unbeatable battery performance. Designed specifically for full-sized handgun platforms, this open reflex sight offers the kind of reliability and innovation that modern shooters demand—whether for duty, competition, or concealed carry.
At its core, the HS507C X2 is powered by Holosun’s Green Super LED technology, providing a 50,000-hour battery life on a single CR1632 cell. But what truly sets this optic apart is the combination of Solar Failsafe, Shake Awake, and a Multi-Reticle System (MRS), which together offer redundant power, intelligent energy conservation, and personalized reticle options—all packed into a rugged and compact housing.
The optic features a green 2 MOA dot with a 32 MOA circle, giving you the flexibility to choose between three reticle styles: circle only, dot only, or both. This allows for quick target acquisition at close range or pinpoint precision for longer-distance shots. Whether you’re under full sunlight or in a dim indoor range, the automatic brightness adjustment via Solar Failsafe ensures the reticle is always visible without manual tweaking.
Constructed from durable 7075 T6 aluminum, the HS507C X2 is impact-resistant and features a side-loading battery tray that makes swapping power cells easy—no need to remove the sight from your slide. Its Lock Mode function also prevents accidental changes to your brightness or reticle settings by locking the adjustment buttons, a much-needed safeguard during concealed carry or active use.
Key Specifications
- Reticle: Green 2 MOA Dot & 32 MOA Circle
- Magnification: 1x (Parallax-free with unlimited eye relief)
- Brightness Settings: 10 Daylight + 2 Night Vision Compatible
- Battery Type: CR1632 (Side-mounted)
- Battery Life: Up to 50,000 hours
- Solar Failsafe: Yes
- Shake Awake: Yes (10 min – 12 hr adjustable delay)
- Window Size: 0.63″ x 0.91″
- Housing: 7075-T6 Aluminum with Anodized Finish
- Adjustment per Click: 1 MOA
- W&E Travel Range: ±50 MOA
- Mounting Footprint: Trijicon RMR standard
- Weight: Approx. 1.5 oz
Top Features
- Multi-Reticle System (MRS)
Choose between a 2 MOA dot, 32 MOA circle, or both—offering versatility for precision or speed shooting scenarios. - Shake Awake Technology
Preserves battery life by turning off the LED when idle and instantly reactivating it upon motion detection. - Solar Failsafe
Automatically powers the optic in bright conditions when the battery is low, ensuring continuous reticle visibility. - Side Battery Tray
Replace the CR1632 battery without removing the sight or re-zeroing—streamlining maintenance. - Lock Mode
Prevents unintentional adjustments during handling or holstering. - Robust Housing
CNC-machined from 7075-T6 aluminum for maximum durability and resistance to recoil, impacts, and environmental stress.
Pros
- Extremely long battery life with dual power sources
- Reticle flexibility enhances user customization
- Easy battery changes without re-zeroing
- Strong, lightweight aluminum housing
- Auto brightness control with manual override
- Compact and ideal for concealed or duty carry
Cons
- May sit high on some pistols without a dedicated optic cut
7.Trijicon RMR Type 2
The Trijicon RMR Type 2 stands as one of the most battle-proven miniature reflex sights in the industry. Designed for rugged field use and trusted by military, law enforcement, and civilian shooters alike, this optic is known for its durability, accuracy, and reliability in nearly any environment. If you’re looking for a dependable sight for your handgun, rifle, or shotgun, the RMR Type 2 delivers with its compact size, lightweight build, and proven performance.
Unlike larger optics, this version of the RMR Type 2 features no mounting plate, allowing you to choose your preferred adapter or direct-mount it onto a custom slide. Despite its ultra-compact 1.8″ x 1.1″ x 1″ frame, it holds zero through harsh recoil and environmental stress. At just 1 ounce, it’s one of the lightest optics in its class—perfect for pistol applications or lightweight rifle setups where every ounce counts.
This red dot sight comes in a sleek black finish and is optimized for hunting and tactical applications. It integrates seamlessly with many mounting systems thanks to its industry-standard footprint and has become a go-to choice for professionals demanding no-fail performance in the field.
Key Specifications
- Brand: Trijicon
- Color: Black
- Style: No Mount (customizable mounting options)
- Dimensions: 1.8″ L x 1.1″ W x 1″ H
- Weight: 1 ounce
- Application: Hunting, Tactical, Law Enforcement, Concealed Carry
Top Features
- Compact & Lightweight Design
Weighing just 1 ounce, the RMR Type 2 is ideal for slide-mounted pistols or lightweight rifle builds. - No Mount Style
Offers flexibility for mounting on custom slides, RMR-compatible plates, or aftermarket adapters. - Trijicon Toughness
Designed to withstand heavy recoil and harsh use, making it suitable for both field and duty applications. - Versatile Use
Though built with tactical durability, it’s also an excellent option for hunters and competitive shooters. - Reliable Zero Retention
Holds zero even under repeated shock, vibration, and heavy caliber recoil.
Pros
- Ultra-lightweight and compact
- Rugged construction trusted by professionals
- Flexible mounting options
- Ideal for pistols, rifles, or shotguns
- Minimal visual signature on firearm
Cons
- Premium pricing compared to entry-level red dots
You may also read: 6 Best Night Vision Scopes for Predator Hunting
Factors to consider when choosing Best Red Dots for Beretta A300 Ultima Patrol
1. Mounting Compatibility
- Optic Footprint: The Beretta A300 Ultima Patrol typically comes with a Picatinny rail. Ensure the red dot you choose is compatible with Picatinny or Weaver-style mounts or has an available adapter plate.
- Low-profile Mount: A lower mounting height allows for faster target acquisition, especially when co-witnessing with factory iron sights.
2. Durability & Shock Resistance
- A semi-automatic shotgun like the A300 produces significant recoil. Your optic must be recoil-rated and made from durable materials like aircraft-grade aluminum.
- Look for sights tested for water resistance, impact durability, and extreme weather performance.
3. Reticle Size & Style
- For shotguns, a larger MOA dot (3.5 – 6 MOA) is often preferred. It allows quicker target acquisition at close range.
- Some red dots offer multi-reticle systems (like a circle-dot combo) which can be useful for quick aiming on moving targets.
4. Battery Life & Power Source
- Long battery life (20,000–50,000 hours) ensures reliability in defensive scenarios.
- Consider features like Shake Awake or auto shut-off to conserve battery.
- Optics with solar failsafe backup are a bonus in case of battery failure.
5. Size & Weight
- Since the A300 is a long gun, red dots don’t have to be ultra-compact, but keeping weight down helps maintain balance and reduces fatigue during long shooting sessions.
6. Brightness Settings & NV Compatibility
- Multiple brightness settings help adapt to varying lighting conditions.
- Night vision compatibility is a plus if you plan to use the A300 with NV gear.
7. Quick Detach (QD) Mount
- If you plan on switching optics or using backup sights, a QD lever mount allows rapid removal without tools.
Conclusion
Best Red Dots for Beretta A300 Ultima Patrol offer a decisive edge in speed, accuracy, and reliability—making them essential for tactical, defensive, and competitive shooting scenarios. The right optic can drastically improve target acquisition, especially in high-stress environments where milliseconds matter. Whether you prioritize rugged durability, long battery life, or versatile reticle options, there’s a red dot sight that fits your needs and enhances the A300’s performance.
From compact designs like the Trijicon RMR Type 2 to feature-rich models such as the Holosun HS507C X2, and ultra-reliable workhorses like the Aimpoint ACRO P-2, each sight brings its own strengths to the platform. Features like Shake Awake, solar backup, night vision compatibility, and QD mounts give shooters both peace of mind and tactical flexibility. Ultimately, your choice should reflect how and where you plan to use the Beretta A300 Ultima Patrol—ensuring that your shotgun is always ready, fast, and accurate when it counts most.