Sig Sauer P365X | A Guide to Choosing the Best Red Dot Sight for It
JUL 19, 2024
By: Patrick Aris
By: Patrick Aris
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Are you searching for an ideal red dot sight to be the proud owner of Sig Sauer p365x?
I have seen people involved in tactical professions and collections, including permit holders of pistols Sig Suer p365x, search for the perfect red dot sight to get a precised and accurate target from a pistol. My attention is always on finding a suitable and perfect sight for multiple functions.
Sig suer p365x is popular because of its micro-concealed structure, which is at the top of the market. Unparalleled performance makes it stand out and become a beacon of excellence in the world of firearms.
In addition, when you use an appropriate red dot sight with it, you will have a chance to experience hitting the marks with unwavering precision, as I already have familiarity with it during my journey.
When we talk about adjusting red dot sights on the p365x pistol, you are well aware of the presence of the optical ready slide. You can bolt sight on that slide, but you should choose one faultless and valid red dot sight to achieve your goal from a pistol.
It isn’t easy to select a precised sight from a variety, but here I will make it simple with complete detail of red dot sights through which you can choose a suitable optical sight for your p365x.
In this article, I will describe eight red dot sights with complete information on their features, functions with advantages, and some deceiving points. I will also explain the top three red sights from them in front of you with technical aspects and specialties that make them distinctive from others. Now, move down and get exposure to the below-mentioned sights.
Below are complete and whole particulars about their features and functionalities that I have used during my practice and journey, and I have had effective experience with these sights.
Our Picks For The Sig Sauer P365x
- Sig Sauer Romeo zero
- Holosun 407k
- Holosun 507k
- Trijicon RMR
- Burris fastfire 3
- Luepold Delta point
- Vortex Optic Viper
- Crimson Trace CTS
Best High End
- Brand: Instant Pot
- Battery: CR1632
- Run Time: 20000 hrs
- Reticle: 3 MOA & 6 MOA
- Color: Black
- Brand: Holosun
- Material: Aluminum
- Mounting Type: Side Mount
- Reticle: MRS 2 MOA Dot & 32 MOA Circle
- Color: Green/Red Options
- Brand: Holosun
- Material: Metal
- Mounting Type: Picatinny Mount
- Reticle: 6 MOA Dot
- Color: Black
Sig Sauer RomeoZero
It is the fastest and most accurate, and it has an ultra-compact micro-reflex sight. Slim slides and parallax-free optimization allow it to function like a pistol. Whenever you go hunting or shooting, you require a metal shroud to carry because it has plastic housing.
A special lens with a famous name is the Spectra coat HD polymer, which can resist over ten times as compared to traditional glass lenses.
The polymer body has a Weapon-Grade texture, which remains helpful in protecting the eye at a significant level. There are 8 illumination settings for daytime, including 1x magnification and a reticle of 6MOA.
Motion-activated illumination improves the sight’s performance when it senses motion. A highly efficient LED source provides a very clear dot that is eight times clearer than other red dot sights.
For best compatibility, RomeoZero uses the direct mount and house-optimized shield RMS-c footprint and J-point footprint as a standard and acceptable sight for handguns and pistols.
Battery runtime is about 20,000 hours using the CR1632 battery type. Its battery mounts underneath and requires the optical to be removed for replacement, zeroing the sight.
- Well defined and solid clicks for Windage and elevation
- Holds zero after firing over 50 rounds
- Long runtime battery and need to replace after three years
- Appreciated on/off feature with easy installation
- Impressed presentation of red dot
- Lack of concealed holster
- Little disrupt for battery replacement
- Motion detection feature is conflicting
Sig Sauer RomeoZero
Features:
- Brand: Sig Sauer
- Battery: CR1632
- Run Time: 20000 HRS
- Reticle: 3 MOA & 6 MOA Red dot
- Footprint: Shield RMS-c
- Color : Black
1x24mm Red Dot Durable Accurate Ultra Compact Micro Open Reflex Handgun Sight for Concealed Carry & Slim Profile Pistols.
Holosun 407K
An open reflex sight is an eligible application for pistols with shake-awake technology, multilayer reflective glass, and high performance.
based on four bosses and requires an adapter plate. The outstanding lock mode performance prevents accidental changes when it is activated and works for target acquisition.
Long battery time is due to the use of Shake Awake technology, which deactivates the LED when it is not in use. Shake Awake is sensitive to motion, a minor activity in front of its way from 10 minutes to 12 hours.
A multilayer coating is applied to facilitate high optical glass lenses. Light transmission and wear resistance reduce power requirements with a large battery and clarity efficiency.
Its durability is long-lasting because it is housed in 7075 and uses Holosun K footprint, in addition to being side-mounted for quick replacement. It can achieve a very clear and crisp sight picture while holding the zero setting.
For various lighting conditions, it has different brightness levels to use according to the required situation.
- It ensures continuous operation with an elongated battery life span, including the type CR1620 and easy replacement due to the presence of an adapter.
- It simplifies the aiming process by aligning front and rear fixed sights
- Replacement of battery without removing it from the pistols
- Increased brightness level helps in high-stress situations
- Adjustment for zeroing and brightness and provides user-friendly customization options
- In some situations, users come with the problem of thread stripping
- Glass imperfections occur at high brightness settings
HOLOSUN 407K
Features:
- Brand: Holosun
- Style: Reflex
- Material: Metal
- Mounting Type: Picatinny Mount
- Shake Awake: Yes
- Color : Black
HOLOSUN HS407K X2 Red 6 MOA Dot Open Reflex Optical Sight for Subcompact Pistols, Durable Parallax Free Unlimited Eye Relief Handgun Sight with Aluminum Housing & Shake Awake Technology.
Holosun 507K
507K is a subcompact pistol application designed as an open structure. Its lock mode prevents changes to settings that you have already fixed.
It requires a four-boss interface as an adapter slide, which includes the multi tool, lens cloth, and pistol user manual. Its durable structure is made from 7075 Aluminum, and the super lead has a side-mounted tray for easy battery replacement.
Enough equipped with MRS to get sight pictures over a shorter distance with 32 MOA circles and 2 MOA dots. A larger circle aids in guiding your eye and allows hold-over reference. 507 k offers both dot and circle with easy brightness adjustment, including the side button.
The shake-off feature offers a setting of 10 to 12 hours, and the slightest touch to the optic reactivates the LED, making the Holosun red dot sight ready for your pistol.
The battery’s runtime is a maximum of 50,000 hours, and its brightness setting is 10 levels for daytime and 2 levels for night vision. The travel range revolves around between -30 and +30.
- Exceptional durability with the robust Aluminum construction
- It is a versatile application for both beginners and experienced shooters
- Design of Parallax-free ensures precise aim with making the position of your eye
- Despite frequent activation, the battery lasts for a considerable amount of time
- Justifying cost with high quality and performance make it long term reliable
- Sometimes the user may experience difficulties with the mounting screws
- User might face the unclearness of the red dot
Holosun 507K
Features:
- Brand: HOLOSUN
- Reticle Color: Green/Red Options
- Reticle: MRS 2 MOA Dot & 32 MOA Circle
- Material: Aluminum
- Mounting Type: Side Mount
HS507K X2 Multi Reticle 2 MOA Dot & 32 MOA Circle Open Reflex Pistol Sight, Durable Shake, Awake Parallax Free Aluminum Sight for Subcompact Handguns Green & Red Dot Options.
Trijicon RMR
It has LED RMR with 3.5 and an automatic brightness mode with 8 adjustable settings, including 2 for night vision and one for super bright. A unique type of aluminum alloy is used, and it occupies the patented housing shape, which increases its durability.
Lithium batteries last for over four years of continuous use and are sometimes affected by extreme temperature changes. The battery lasts considerably longer besides frequent activation of the shake-awake function.
The button lock-out feature of Trijicon RMR is stronger and tougher than other alternatives, making it suitable for use in the military and law enforcement.
Dependable electronic design and battery contacts ensure the best performance and survivability in severe atmospheres. The increased brightness level assists in enlarging the red dot circles.
Simplifying the aiming enhances the shooting speed with the fixed alignment and rear sights. It also activates the previous setting automatically when drawn from a pistol.
- The Trijicon RMR Type 2 is known for its rugged construction, featuring a military-grade aluminum alloy housing that can withstand harsh conditions and rough handling
- It offers a long battery life, often up to 4 years on a single CR2032 battery, which is excellent for continuous use
- The 3.25 MOA dot is adjustable, allowing users to change the brightness to suit various lighting conditions
- It is versatile and can be mounted on pistols, rifles, and shotguns, making it a popular choice for various firearm platforms
- The red dot provides quick target acquisition and improved accuracy, which is beneficial for both novice and experienced shooters
- The sight has an automatic brightness mode that adjusts the dot intensity based on ambient lighting conditions, enhancing usability in different environments.
- It is waterproof up to 20 meters, making it reliable in wet conditions
- The Trijicon RMR Type 2 is relatively expensive compared to other red dot sights, which might be a drawback for budget-conscious buyers
- Replacing the battery requires removing the sight from the mount, which can be inconvenient and may require re-zeroing after replacement
- Some users report that the lens has a noticeable blue tint, which can affect the clarity of the sight picture
Trijicon RMR Type 2
Features:
- Brand: Trijicon
- Style: No Mount
- Mounting Type: Picatinny Mount
- Material: Plastic
- Model: RM06-C-700672
- Color: Black
The Trijicon RMR Type 2 is a durable, adjustable 3.25 MOA red dot sight for versatile, precise shooting.
Burris FastFire 3
For mounting, a proper amount of Picatinny is included in its setting to intensify the Burris FastFire 3’s function appropriately. The illumination setting to work in dull and bright conditions ranges from three brightness levels.
Strengthening the reticle system is enough to locate the target with the precision of a 3 MOA dot, and no specific tool is needed to adjust elevation and Windage. Its multiple reticle system is adaptable to several shooting scenarios and has perfect functionalities.
One indicator that proves very helpful in shooting is the low battery warning indicator. In case of any issue, one can replace it before the battery completely dies.
The automatic brightness setting, convenient power button, and construction from solid aluminum ensure its durability and reliability. A maintained zero system and recoiling, even after long use, make its performance excellent.
I have observed that the low-profile design doesn’t make anything complicated and offers affordable money to purchase compared to other products that are similar to it in the market. Its field of view is enough to have a larger view from the window for the quick pointing of your aim.
- The Burris FastFire 3 is known for its lightweight design, making it ideal for mounting on various firearms without adding significant weight
- It is generally more affordable than some high-end red dot sights, offering good value for the price
- The battery compartment is located on the top, allowing for easy battery replacement without removing the sight from the mount
- It is versatile and can be used on pistols, rifles, and shotguns, making it suitable for a wide range of shooting applications
- The FastFire 3 features three manual brightness settings, plus an automatic brightness mode that adjusts the dot intensity based on ambient lighting
- Its compact design makes it an excellent choice for firearms with limited mounting space
- The sight is user-friendly, with simple controls and an easy-to-see red dot that enhances target acquisition
- The battery life, while decent, is not as long as some other red dot sights, and may require more frequent replacements
- While durable, it is not as rugged as some higher-end red dot sights, which might be a concern for heavy-duty use
- It does not come with a protective lens cover, which could be a drawback for those wanting to protect the sight when not in use
- There can be slight parallax issues at certain distances, which might affect accuracy for precision shooting
Burris FastFire 3
Features:
- Brand: Burris
- Style: FastFire III (3 MOA Dot)
- Objective Lens: 30 Millimeters
- Material: Aluminum
- Mounting Type: Picatinny Mount
- Color: Black
The Burris FastFire 3 is a lightweight, versatile red dot sight with easy battery access and adjustable brightness settings.
Leupold DeltaPoint
This is a pro-reflex sight exhibiting model 119688. It has a reticle managing system consisting of 2.5 MOA dots and a matte finish. It is professional grade and offers a distinctive light transmission that assists in lighting conditions and allows for a prominent sight image in harsh and direct sunlight.
The illuminated reticle in Leupold helps shooters and professional guides obtain their target even in low-light conditions.
Modern Sensor Technology extends the battery life by automatically deactivating the reticle illumination when it does not feel any activity for about five minutes and reactivating it as soon as movement is detected.
The Leupold is legendary for its ability to withstand harsh conditions. It is waterproof, fog proof, and shockproof. It allows co-witnessing with other iron sights to provide flexible options for aiming.
Its performance remains superior to various traditional iron sights and is suitable for both experienced and beginners.
- The Leupold DeltaPoint Pro is built with a rugged aluminum housing, making it highly durable and reliable in harsh conditions
- Offers a clear sight picture with minimal distortion, thanks to high-quality optics and a large viewing window
- Features a top-loading battery compartment, allowing for quick battery changes without removing the sight
- Includes a motion sensor that activates the sight when it detects movement, saving battery life
- Provides multiple brightness settings for optimal visibility in various lighting conditions
- The large window design offers a wide field of view, enhancing situational awareness and target acquisition
- Slightly heavier than some other micro red dot sights, which might be a consideration for those looking to minimize weight on their firearm
- Does not come with a lens cover, which could expose the lens to scratches and damage when not in use
- Limited compatibility with some mounting systems, potentially requiring additional adapters
Leupold DeltaPoint Pro Reflex Sight
Features:
- Brand: Leupold
- Mounting Type: Cantilever Mount
- Reticle: 2.5 MOA Dot
- Material: Aluminum
- Night vision: No
- Color: Matte
The Leupold DeltaPoint Pro is a rugged, clear, 2.5 MOA reflex sight with easy battery access and motion activation.
Crimson Trace RAD Micro Compact
It is convenient to install without using any tool on a wide range of pistols and utilizes the standard Picatinny or Weaver rail mounts.
An ambient light sensor is used with CR radiant and found very easy to zero in for accuracy and quick target acquisition. The type of battery used in Crimson Trace is CR1632, and it can run for about 20,000 hours over 2 years.
Installation process involves the mounting plates for pistols with Doctor Cut that ensures its easy set-up and shows the compatibility. It does not get bulkier weight due to its lightweight and compact design. It offers tool-free installation for a wide range of pistols with Picatinny and weaver rail.
This optical sight features the reticle system with the 3.0 MOA dot, enough to show the target’s correct pointing. With enhanced ability, it can fit nicely on firearm models like PS Dagger and Kimber R7. A standard J-point interface is used for mounting.
- Simple installation and mounting plates for pistols
- Bright and clear red dot even for low light environment
- Lightweight and compact design minimizes the bulk
- Utilizes the standard Picatinny or weaver rail
- Tool-free adjustment and affordable price point
- Falls of zero occasionally
- Glass quality may not clear which causes blurriness
- Lack of manual adjustment of brightness
Crimson Trace RAD Micro Compact
Features:
- Brand: Crimson Trace
- Style: CT RAD Micro Pro Red
- Battery: CR1632
- Material: Aluminum
- Mounting Type: Picatinny Mount
- Color: Red
The Crimson Trace RAD Micro is a compact open reflex sight with integrated co-witness, designed for compact and subcompact handguns.
Vortex Optics Viper
It occupies a super low profile, making it perfect for pistols and other handguns with the availability of cut-out slides.
The low height feature allows co-witnessing with other iron sights, and the 6 MOA dot makes it easier and faster to get the target. Its use becomes calmer due to the presence of the side button for brightness adjustment and offers innovative operations.
A multi-coated, ultra-clear lens offers a comprehensive field of view without obstruction. Armortek’s coating protects the lens from dirt, oil, and scratches. 1 MOA Windage and elevation adjustment move the dot toward the aiming point. It also has a high-anodized, low-glare matte finish.
Its waterproof and shockproof construction ensures its work. O-ring seals prevent moisture and dust particles, making their performance more reliable. Durable construction aids to withstand in front of
- The Vortex Viper Red Dot Sight is competitively priced, offering good value for its features
- Features simple controls and a large 6 MOA dot, making target acquisition quick and easy
- Its low profile design allows for co-witnessing with iron sights, making it versatile for various shooting setups
- Built with rugged construction to withstand recoil and harsh conditions
- Offers a respectable battery life, suitable for extended use
- Provides unlimited eye relief, allowing for flexible mounting options and quick target acquisition
- Lacks automatic brightness adjustment, requiring manual changes in different lighting conditions
- Battery changes require removing the sight, which can be inconvenient and may necessitate re-zeroing
- The 6 MOA dot may be too large for precision shooting at longer distances
- While not heavy, it is slightly bulkier compared to some other micro red dot sights, which could be a consideration for ultralight setups
Vortex Optics Viper Red Dot Sight
Features:
- Brand: Vortex
- Style: Viper Red Dot
- Reticle: 6 MOA
- Material: Aluminum
- Battery: CR-2032
- Color: Black
The Viper Red Dot Sight has a super low-profile making it perfect for use with cut-out slides. 1 MOA windage and elevation adjustments are super sleek and make sighting in a breeze.
How we picked the best Red dot sights
In the growing era of sight use, it’s important to explain how we collect these red dot sights for Sig Sauer pistols. After testing and reaching a consensus among our team of expert shooters who have experience using optical sights, which proves favorable for upcoming users, here are some key points that are used in searching for and picking the red dot sight products.
Worth: provides the most affordable prices that are easily bearable by everyone in this field.
Components with additions: Based on their technical components, they also offer additions like Sensors for motion, extra brightness levels, and a large field of view.
Distinctive offers: Most of the sights offer unique abilities, which make them different and authentic.
Know where to use: After getting information about their uses, purposes, and places where you can use them, we picked red dot sights to ease the pain for beginners and expert shooters.
Closing thoughts
As an expert in shooting and a retired law enforcement officer, I conclude that the Sig Sauer Romeo Zero is best for shooting. The red dot sights make achieving your target more authentic and precise.
The above eight red dot sights can all be used on Sig Sauer, but three of the top three, which are easily mounted and usable, are also mentioned for your assistance.
These three red dot sights are best for the Sig Sauer p365x. Their functionalities, durability, and multiple reticle systems are well known for making the target error-free.
According to the gun’s adjustment, they are beneficial for mounting. I hope you find a helpful guide about the more fixable red dot sight on Sig Sauer p365x.