My expertise in Sig P320 does not come from casual research but from countless hours at the range and hands-on testing. From my meticulous trials, the one-night sight that consistently outperformed others was the TRUGLO Tritium.
I will guide you through the diverse world of Best Sig P320 Night Sights, all in the pursuit of finding the one that best suits your Sig P320.
Top 5 Best Night Sights For Sig P320
1. TRUGLO Tritium – Best Overall sight for Sig P320
Meet the TRUGLO Tritium, a glow-in-the-dark night sight for Sig Sauer pistols. Its slim and lightweight design ensures no additional weight is added to your gun. Made with robust construction, this sight is designed to withstand wear and tear while maintaining a consistent glow without needing a battery.
Benefits: The TRUGLO Tritium sight stands out due to its exceptional day and night visibility. By day, it showcases white dot sights; by night, these turn into glowing green dots.
With its solid construction, this versatile sight offers longevity and durability, allowing you to go rough and tough without worrying about damaging it.
Why to Buy: The unique selling proposition of the TRUGLO Tritium is its self-glowing feature that doesn’t require any battery. This is a massive plus for anyone seeking a reliable sight that works effectively without requiring regular power checkups.
It’s lightweight, and compact and boosts accuracy without needing any external light source.
Why Not to Buy: The one slight drawback to this otherwise stellar sight is that it only partially blends with the gun. There’s a minor gap between the bottom of the sight and the firearm’s surface.
This could affect the aesthetic of your SIG P320, but it’s a small price to pay for the quality you receive.
Who Should Buy: This sight is an excellent choice for anyone seeking to enhance their shooting precision, whether they’re competitive shooters or hobbyists. If you value durability, exceptional visibility, and battery-free operation, the TRUGLO Tritium is the sight for you.
My Experience
In my extensive testing, the TRUGLO Tritium exceeded my expectations. Its robust construction and superb visibility in all lighting conditions proved its worth on the P320. Although the slight fitting issue is a minor inconvenience, it’s far outweighed by the sight’s performance and reliability.
Pros
- Exceptional visibility in both day and night
- Robust construction for enhanced durability
- No battery is needed for glowing
Cons
- Slight fitting issue – does not completely blend with the gun
2. Trijicon 3 Dot – Compact Sig P320 Night Sight
Say hello to the Trijicon 3 Dot, a standout fiber optic sight for the Sig P320. This sight, a product of Trijicon’s renowned craftsmanship, is designed with three dots – two on the rear sight and one on the front.
It sports a compact profile measuring 1-inch by 1-inch by 1-inch, making it an unobtrusive addition to your firearm.
Benefits: This sight doesn’t only excel at night; it’s a champ during the day as well. Thanks to the white rings surrounding the dots, the sight is highly visible in bright conditions.
Each tritium lamp is capped with a sapphire jewel that evenly distributes the light, providing an impressive, consistent glow.
Why to Buy: Trijicon’s 3 Dot sight leverages tritium-phosphor lamps for superior illumination in low-light settings, eliminating the need for a light source or batteries. If you want a sight that provides quick target acquisition, functions flawlessly day or night, and is designed to withstand harsh conditions, the Trijicon 3 Dot sight is the perfect choice.
Why Not to Buy: Though the Trijicon 3 Dot sight is an exceptional accessory, its advanced features may come at a higher price point.
If you’re working within a tight budget, this could potentially be a drawback. However, for the quality and performance it offers, it’s worth every penny.
Who Should Buy: Whether you’re a competitive shooter, a law enforcement officer, or simply a gun enthusiast who values precision, the Trijicon 3 Dot sight is a must-have. It’s designed for individuals who demand quick target acquisition and reliability across diverse lighting conditions.
My Experience
Having tested the Trijicon 3 Dot sight extensively on the field on my P320, I can vouch for its performance. Its compact design, coupled with unparalleled visibility and durability, has made it a favorite in my collection. While the cost might be on the higher side, the sight’s overall performance justifies it.
Pros
- Compact and lightweight design
- Superior illumination with tritium-phosphor lamps
Cons
- Higher price point than some alternatives
3. XS SIGHTS F8 – Exceptional Visibility for Sig P320
The XS Sights F8 is a full Tritium Night Sight set that’s engineered to glow 24/7 for over a decade without the need for batteries.
This American-made marvel, CNC machined in Fort Worth, TX, features a proprietary orange photoluminescent Glow Dot on the front sight, in addition to tritium vials in both front and rear sights.
Benefits: The XS Sights F8 delivers an incredibly visible sight picture day or night. Its photoluminescent Glow Dot not only provides high contrast visibility in bright light but also absorbs ambient light and self-illuminates in low light.
With a unique figure 8 straight-line sight picture, your eyes will be naturally drawn to the front sight, facilitating rapid target acquisition.
Why to Buy: If you’re tired of struggling with inadequate sights, then the XS Sights F8 is the ideal upgrade for your Sig P320.
These sights are designed to glow brightly in low light, contrast well in bright light, and focus your attention on the front sight. Plus, they are backed by a 10-year, no-questions-asked warranty.
Why Not to Buy: While the XS Sights F8 Night Sights provide unparalleled performance, they may be considered slightly bulky by some shooters. However, this is a minor concern considering the high-quality performance they offer.
Who Should Buy: From professional shooters to self-defense advocates, anyone who values a reliable and highly visible sight system should consider the XS Sights F8. It is especially beneficial for those operating in varied light conditions, requiring quick target acquisition.
My Experience
As a seasoned shooter, I found the XS Sights F8 to be an exceptional addition to my Sig P320. The glow dot provided excellent visibility, and the figure 8 sight picture greatly enhanced my target acquisition speed.
While the size may seem a bit larger, the overall performance far outweighs this minor issue.
Pros
- Exceptional visibility with tritium vials and photoluminescent glow dot
- Rapid target acquisition with figure 8 sight picture
- Durable and reliable, made in the USA
Cons
- Bulkier compared to some other night sights
- The rear sight doesn’t have high visibility
4. XS Sights DXT2 – Quick Target Acquisition on Sig P320
The XS Sights DXT2 Big Dot Night Sight is an innovative addition to the Sig P320. It offers a full tritium sight set that constantly glows without needing batteries. Made in Fort Worth, Texas, this robust sight offers a 10-year, no-questions-asked warranty.
The main attraction is the ‘big dot’ front sight, available in photoluminescent yellow or orange, encircling the tritium insert.
Benefits: The DXT2 Big Dot is all about visibility and speed. With its glowing tritium inserts and photoluminescent ‘big dot’ front sight, this system ensures you can see your sights in any light condition.
Moreover, the unique ‘dot-the-I’ sight picture speeds up target acquisition and aids those with eyesight issues.
Why to Buy: The DXT2 Big Dot deviates from traditional sight systems, embracing a more intuitive alignment method. The always-visible tritium night sights offer constant visibility. Plus, XS Sights stands behind its product with a generous 10-year warranty.
If quick target acquisition is your priority, this sight is a game-changer.
Why Not to Buy: The installation process may be a hurdle for some. Handling the small screws requires patience and the right tools. Additionally, if you’re accustomed to the traditional 3-dot sight alignment, the ‘big dot’ might take some getting used to.
Who Should Buy: The DXT2 Big Dot is an ideal choice for Sig P320 users who prioritize speed in target acquisition and want a sight system that’s clearly visible in all conditions.
Whether you’re a seasoned shooter or struggling with the traditional 3-dot sight alignment or eyesight issues, this sight system can significantly improve your shooting experience.
My Experience
On the field, the DXT2 Big Dot delivered on its promises. The sight picture was remarkably clear, and the big dot front sight sped up my target acquisition. Yes, the installation was slightly tricky due to the small screws, but the performance it delivered made the effort worthwhile.
Pros
- Superior visibility thanks to the tritium inserts and ‘big dot’ front sight
- Faster target acquisition with the ‘dot-the-I’ sight picture
- Durable, with a 10-year warranty
Cons
- Installation can be tricky due to small screws
- It may require an adjustment period for those used to traditional 3-dot sight alignment
5. XS SIGHTS R3D – Highly Durable with Sig P320
The XS SIGHTS R3D for Sig P320 is a 3-dot Tritium night sight system. Its front sight features a photoluminescent glow dot in either orange or green, while the rear sight is blacked out, focusing your attention on the front sight.
This American-made sight is crafted from durable steel and comes with a 10-year, no-questions-asked warranty.
Benefits: The self-illuminating Tritium vials and photoluminescent glow dot ensure excellent visibility in low-light situations. The design, featuring a blacked-out rear sight, facilitates quicker focus and faster target acquisition.
Furthermore, the sight’s steel construction ensures durability and resistance to damage.
Why to Buy: The R3D Night Sight’s high visibility and intuitive design make it an excellent choice for those
seeking to improve their low-light shooting. The sight’s robust steel construction and the backing of a 10-year warranty are a testament to its durability and quality.
Why Not to Buy: Despite its appealing features, the R3D’s finish and machining may not meet the standards of some professional-level sights. Additionally, installation can be a bit tricky and may potentially deform the sight if not done carefully. A professional installation could be a wise choice here.
Who Should Buy: The XS SIGHTS R3D is ideal for shooters who often operate in low-light situations or need a sight allowing for faster target acquisition. Its design is especially suitable for those who prefer a less distracting sight picture and more focused target alignment.
My Experience
During my field testing of the XS SIGHTS R3D, I was impressed by the glowing features that excelled in low-light conditions. The blacked-out rear sight effectively directed my focus to the front sight, speeding up my target acquisition.
However, I noted that the finish and machining might not meet the high expectations of those accustomed to professional-level gear. The installation also required a careful touch.
Pros
- Self-illuminating sights for excellent low-light visibility
- High-contrast sight picture for quicker target acquisition
- Robust steel construction backed by a 10-year warranty
- Designed to fit most holsters for concealed carry
Cons
- The finish and machining may not meet ‘pro-level standards
- Installation with a punch could potentially deform the sight
- It may require professional installation or a gentle touch
Final Verdict
After thoroughly testing these night sights for the Sig P320, it is clear that each offers a unique set of benefits to meet different shooters’ needs. However, my top recommendation goes to the TRUGLO Tritium. Its remarkable battery-free illumination, solid construction, and versatile visibility make it a top-tier choice for any Sig P320 owner.
Remember, the best sight is the one that enhances your shooting capabilities and aligns with your shooting preferences.
Also Read: Best Night Sights For SIG P365
FAQs
Does P320 have night sights?
Yes, the Sig Sauer P320 Compact 9mm Handgun is available with night sights.
Who makes Sig Sauer night sights?
Companies like Trijicon, TRUGLO, and XS Sights manufacture night sights for Sig Sauer pistols.
What is the military version of Sig P320?
The military versions of Sig P320 are the P320-M17 and P320-M18, which are the official sidearms of all branches of the U.S. military.
Does the military use the Sig P320?
Yes, the U.S. Army currently uses the Sig Sauer P320-M17 and Sig P320-M18 as its standard-issue sidearms.
