Choosing the Best Holosun Red Dot for Sig P320 can significantly enhance your shooting performance, whether for self-defense, competition, or tactical use.
Holosun, a trusted name in optics, offers a range of innovative red dot sights packed with advanced features like Shake Awake, Solar Failsafe, and versatile reticle options.
With durable construction and exceptional battery life, Holosun optics are tailored to meet the needs of Sig P320 owners.
In this guide, we’ll explore the best Holosun red dot sights for the Sig P320, highlighting their standout features to help you make an informed decision.
| 1) Holosun 507C X2 |  |
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| 2) Holosun 507K X2 |  |
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| 3) Holosun 407C X2 |  |
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| 4) Holosun 508T X2 |  |
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| 5) Holosun EPS Carry |  |
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| 6) Holosun HE509T-RD X2 |  |
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| 7) Holosun 507 COMP |  |
What makes Holosun Red Dot Sights a Good Choice for The Sig P320?
Holosun red dot sights are a popular choice for the Sig P320 due to their advanced features, robust construction, and compatibility with the pistol’s design. Here are the key factors that make them an excellent option:
- Advanced Reticle Options
- Durability and Construction
- Compact and Lightweight Designs
- Power Efficiency
- Closed-Emitter Options
- Versatility and Compatibility
Best Holosun Red Dot for Sig P320
1) Holosun 507C X2
The Holosun 507C X2 is perfect for the Sig P320, it is compact and durable with the best features to offer the best shooting experience.
While the robust design and flawless stability are priorities, BOH has employed a 7075-T6 CNC machined aluminum body in the inspirit of the 507C X2, to prevent its rough use or if it falls.
Perhaps one of the most notable offerings of the 507C X2 is its Multiple Reticle System where the user can opt between a Second of Angle (SOA) dot, a 32 Milliradian (MR) circle as well as both.
This versatility enables the shooter to select a reticle that is ideal depending on the shooting position or the range at which the shot is to be made increasing the speed and precision when shooting at short or long range.
The 2 MOA dot is perfect for close-range shooting as well as accurate shots in low lighting conditions and longer-range targets while the 32 MOA circle is perfect during high-pressure and close-quarter engagements.
It also operates under Solar Failsafe technology developed by Holosun, which controls brightness depending on the environment’s luminosity.
Combined with a Shake Awake feature where the optic is turned on by shake and powered off after use through a motion sensor. All these put together add up to a battery life of up to 50, 000 hours to give the unit more hours of operation before the battery is changed again.
Specs
- Reticle: 2 MOA dot and 32 MOA circle
- Battery: CR1632 (side-mounted tray)
- Battery Life: Up to 50,000 hours (Setting 6)
- Brightness Settings: 12 (10 daylight, 2 night vision)
- Solar Failsafe: Yes
- Shake Awake Technology: Yes
- Waterproof/Shockproof: IP67 rated
- Housing Material: 7075 Aluminum
- Weight: 1.5 oz
- Dimensions: 1.78″ x 1.15″ x 1.15″
Pros
- Versatile Reticle
- Long Battery Life
- Solar Failsafe
- Shake Awake Technology
- Durable Construction
- Clear Optics
- Easy Battery Replacement
Cons
- It can be more expensive
2) Holosun 507K X2
The Holosun 507K X2 is an amazing mini red dot sight that offers great functionality for the Sig P320 especially where carry is concerned.
Designed to have a sleek, compact profile that perfectly fits the Sig P320 slide, thus adding no extra width or height to the pistol while also not jumping upholsters and thus remained a favorite of those who primarily want a basic, primary means of personal protection or home defense in their handgun.
Constructed with 7075 T6 aluminum, the body of the 507K X2 withstands any day-to-day challenges that conventional automobiles encounter.
This is a multiple light dot sight, in which the user has the privilege to choose among a 2 MOA dot, a 32 MOA circle, or both simultaneously.
The adaptability makes it suitable for a wide variety of shooting purposes as anyone involved in the sport understands the differences between accurately placing the crosshair on the target to calmly aim and shooting in a hurry where the target is acquired and the trigger pulled quickly.
Has incorporated its Shake Awake technology. In the absence of use, the optic shuts down, also to help save energy, which in turn increases the operating duration of up to 50000 hours.
Specs
- Reticle: 2 MOA dot, 32 MOA circle, or both combined
- Battery: CR1632 (side-mounted tray)
- Battery Life: Up to 50,000 hours (Setting 6)
- Brightness Settings: 12 (10 daylight, 2 night vision)
- Solar Failsafe: Yes
- Shake Awake Technology: Yes
- Waterproof/Shockproof: IP67 rated
- Housing Material: 7075 Aluminum
- Weight: 1.06 ounces
- Dimensions: 1.57″ x 0.98″ x 0.98″
Pros
- Compact and Lightweight
- Versatile Reticle System
- Long Battery Life
- Solar Failsafe
- Shake Awake Technology
- Durable Construction
- Clear Optics
- Easy Battery Replacement
Cons
- Smaller Sight Window
3) Holosun 407C X2
The Holosun 407C X2 is a technique-reaching, ultra-lightweight, and highly effective red dot sight for the Sig P320 that is enhanced with a simple yet unique technology.
Constructed with the high-strength 7075-T6 aluminum alloy, this unit is strong enough to handle all types of abuse in the field as well as on the range and is ideal for the hobbyist and the working cop or soldier.
When combined with the Sig P320, the holsters are slim and lightweight which lay perfectly on the belt of the gun without upsetting the balance of the pistol.
Its prominent selling point is the 2 MOA dot-only reticle. This dot size is perfect for users who prefer accuracy because the subtle dot patterns do not obstruct the view behind the gun.
Has Solar Failsafe technology developed by Holosun that adjusts brightness according to the prevailing lighting in the environment to prevent the reticle from going out?
Also, the Shake Awake feature brings the optic into operation turning on the optic’s light when shaken gently.
Specs
- Reticle: 2 MOA dot
- Battery: CR1632 (side-mounted tray)
- Battery Life: Up to 50,000 hours (Setting 6)
- Brightness Settings: 12 (10 daylight, 2 night vision)
- Solar Failsafe: Yes
- Shake Awake Technology: Yes
- Waterproof/Shockproof: IP67 rated
- Housing Material: 7075 Aluminum
- Weight: 1.1 ounces
- Dimensions: 1.57″ x 0.98″ x 0.98″
Pros
- Compact and Lightweight
- Long Battery Life
- Solar Failsafe
- Shake Awake Technology
- Durable Construction
Cons
- Offers a single 2 MOA dot.
4) Holosun 508T X2
The Holosun 508T X2 is one of the most advanced premium red dot sights with great robustness and versatility to serve perfectly as a complement to the Sig P320.
Has a titanium housing which makes a more robust impact and weather resistant as compared to other models. This construction also affirms that the sight can be subjected to intensive use, all ranging from outside environmental conditions to intense tactical usage.
It is equipped with Holoson’s Multi-Reticle System and supports users to switch between a 2 MOA dot, a 32 MOA circle, or both views.
Because of this flexibility, it is suitable for different shooting conditions. The second dot, the 2 MOA dot is preferable at longer ranges where fine-tuning of your crosshairs is required while the 32 MOA circle is useful when at close ranges and target acquisition is fast and easy.
Speaking of power, the 508T X2 has the Solar Failsafe technology that utilizes the light around to make the device remain operational as long as possible and adjust brightness according to the area the user is in.
Also, the Shake Awake feature turns on the sight with little movement, conserving battery when not active and being prepared instantly. The 508T X2 is a trustworthy solution with up to 50k hours of battery life and an intuitive interface that gives you the optic’s uptime when you need it.
Specs
- Reticle: 2 MOA dot, 32 MOA circle, or both combined
- Battery: CR1632 (side-mounted tray)
- Battery Life: Up to 50,000 hours (Setting 6)
- Brightness Settings: 12 (10 daylight, 2 night vision)
- Solar Failsafe: Yes
- Shake Awake Technology: Yes
- Waterproof/Shockproof: IP67 rated
- Housing Material: Grade 5 Titanium
- Weight: 1.6 ounces
- Dimensions: 1.57″ x 0.98″ x 0.98″
Pros
- Extremely Durable
- Versatile Reticle System
- Long Battery Life
- Shake Awake Technology
- Clear Optics
- Easy Battery Replacement
Cons
- Higher Price
5) Holosun EPS Carry
The Holosun EPS Carry is a compact housing, closed emitter red dot sight that is perfect for the Sig P320 platform user, and especially for those who require their pistol to be their primary carry gun for concealed firearms in personal protection and tactical use.
Probably the best about the putter of the EPS Carry is the 2 MOA dot-only reticle, which does not overload the shooter with too much information.
With the help of Holosun’s Shake Awake feature the EPS Carry comes on automatically when there is some movement and shuts down when there is none.
This function helps save the battery through effective power management depending on your usage to ensure that Bliss Sight is always on and ready to assist you when unplanned circumstances arise, approximately 50,000 hours of constant use.
Furthermore, Solar Failsafe technology increases the reliability of this model on Lamp Brightness Control in response to ambient light, and power backup from solar power.
Specs
- Reticle: 2 MOA dot or 2 MOA dot and 32 MOA circle (MRS models)
- Battery: 1620
- Battery Life: Up to 50,000 hours
- Brightness Settings: Multiple, including night vision compatible
- Solar Failsafe: Yes
- Shake Awake Technology: Yes
- Waterproof/Shockproof: IP67 rated
- Housing Material: 7075 Aluminum
Pros
- Solar Failsafe: Extends battery life and ensures the optic is always ready to use.
- Shake Awake Technology
- Durable Construction
- Clear Optics
Cons
- Smaller Sight Window
6) Holosun HE509T-RD X2
The Holosun HE509T-RD X2 is a premium red dot sight designed with exceptional reliability and accuracy, it fits perfectly with Sig P320.
This model has a closed-emitter type where the optic’s emitter is enclosed to shield it from dirt, rain, or dust thus operating optimally even in harsh weather.
It is built out of high-tensile titanium material, which is stronger and more durable than Aluminum, and less susceptible to impact. It is, therefore, suitable for tactical or defensive purposes.
Has a Multi-Reticle System (MRS), incorporating options for 2 MOA dots, 32 MOA circles, or both simultaneously. This versatility accommodates a range of shooting styles.
2 MOA dot is made for use at further ranges and will give the shake reduction system a stable platform for keeping your shots on point while the 32 MOA circle is made for use at closer distances and will give you the ability to get on target quickly.
Solar Failsafe technology, as incorporated in the HE509T-RD X2, automatically adapts the brightness of the reticle to the prevailing light conditions, making the reticle more luminous without requiring manual reconfiguring to fit the prevailing conditions.
Furthermore, Shake Awake technology helps to prolong battery charge, the device turns off automatically when there is no movement, and switches back on as soon as motion is detected to ensure constant use of the optic. Thanks to the maximum battery life of 50k hours in this model, you’re sure to spend a lot of time between charges.
Specs
- Reticle: 2 MOA dot, 32 MOA circle, or both combined
- Battery: CR1632
- Battery Life: Up to 50,000 hours
- Brightness Settings: 12 (10 daylight, 2 night vision)
- Solar Failsafe: Yes
- Shake Awake Technology: Yes
- Waterproof/Shockproof: IP67 rated
- Housing Material: Grade 5 Titanium
Pros
- Extremely Durable
- Versatile Reticle System
- Long Battery Life
- Solar Failsafe:
- Shake Awake Technology
- Clear Optics
- Easy Battery Replacement
- Compact and Lightweight
Cons
- Higher Price
7) Holosun 507 COMP
The Holosun 507 COMP is an exciting manufactured red dot sight that will suit every shooter who wants accuracy, flexibility, and sturdiness for their firearm perfect for the Sig P320.
Has a larger window than many other similarly designed models, which increases the fields of view and target acquisition rate.
Compared to the previous version, the increased size of the sight window enables faster target swapping, enabling the shooter to stay on target regardless of the shooting scenario.
The site features a strong 7075-T6 aluminum body that is equally robust and impervious to the tough treatment that accompanies tactical missions without causing harm to the sight.
Another additional feature of the 507 COMP is the Multi-Reticle System (MRS) which allows the shooter to select from eight different reticle options; 2 MOA dots, 32 MOA circles, or a combination of the two.
These changes in positions and engagements make it easier for the shooter to vary the sight setting depending on which type of distance or target range he will be in. a
Designed for everyday carry, concealed carry, competition, and active use, for Sig P320 shooters, who are searching for a reliable, and versatile red dot sight that will last for many years, the Holosun 507 COMP is what they are looking for.
Specs
- Reticle: Competition Reticle System (CRS) with a 2 MOA dot and multiple circle options (8 MOA, 20 MOA, 32 MOA)
- Battery: CR1632
- Battery Life: Up to 50,000 hours
- Brightness Settings: 12 (10 daylight, 2 night vision)
- Solar Failsafe: Yes
- Shake Awake Technology: Yes
- Waterproof/Shockproof: IP67 rated
- Housing Material: 7075 Aluminum
- Weight: 1.7 ounces
Pros
- Versatile Reticle System
- Large Objective Lens
- Long Battery Life
- Solar Failsafe
- Shake Awake Technology
- Durable Construction
- Clear Optics
- Easy Battery Replacement
Cons
- Larger size
Factors to Consider when Choosing The Best Holosun Red Dot for Sig P320
When selecting the best Holosun red dot sight for your Sig P320, several factors should guide your decision to ensure the optic meets your specific needs. Here are the key considerations:
- Reticle Options
Holosun red dot sights often feature a multi-reticle system (MRS), allowing you to choose between a 2 MOA dot, a 32 MOA circle, or a combination of both. Consider how you intend to use your Sig P320:
For precision shooting, a 2 MOA dot provides accurate aim for longer distances. For quick target acquisition, a larger 32 MOA circle or the combined reticle is more effective.
- Size and Weight
Compact models like the Holosun 507K X2 or EPS Carry are ideal for concealed carry or users prioritizing low-profile setups.
Larger options, such as the 507 COMP, provide a wider field of view for improved situational awareness, better suited for tactical or competitive applications.
- Build Quality and Durability
Optics like the Holosun 508T X2 and HE509T-RD X2 feature titanium housings for maximum durability, making them suitable for rugged use or extreme conditions.
The Holosun 507C X2 and other models with 7075-T6 aluminum housings offer excellent durability for most applications.
A closed-emitter design, such as in the HE509T-RD X2 or EPS Carry, provides additional protection against environmental elements like rain, dust, or debris.
- Ease of Use
Side-mounted battery compartments, available in most models, allow easy replacement without removing the optic.
Features like automatic brightness adjustment (Solar Failsafe) simplify usability, making Holosun sights user-friendly for beginners and professionals alike.
- Budget
Holosun red dots are available at various price points, with more advanced models like the HE509T-RD X2 or 508T X2 costing more due to their premium features. Decide on a budget that aligns with your intended use and requirements.
FAQS
- Are Holosun red dots compatible with Sig P320 optics-ready slides?
Yes, most Holosun red dots are compatible with Sig P320 optics-ready slides or can be mounted using appropriate adapter plates. Models like the 507C X2, 507K X2, and HE509T-RD X2 are commonly used with the Sig P320.
- Can Holosun red dots automatically adjust brightness?
Yes, Holosun’s Solar Failsafe technology automatically adjusts the reticle’s brightness based on ambient light conditions, ensuring optimal visibility in any environment.
- How long do Holosun red dot batteries last?
Holosun red dot sights typically provide a battery life of up to 50,000 hours, depending on the model and usage. Features like Shake Awake and Solar Failsafe help extend battery life by conserving energy when the optic is idle.
Conclusion
Holosun red dot sights are an excellent upgrade for your Sig P320, offering a perfect blend of durability, advanced features, and versatility.
Whether you prioritize compact designs for concealed carry, rugged construction for tactical use, or reticle flexibility for competitive shooting, Holosun has a model to meet your needs.
Explore these top picks and find the perfect match for your Sig P320 today.
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