Best Red Dot For X5 Legion

The X5 Legion is one of the most popular firearms on the market today, and its popularity is only growing. With its high performance, reliable design, and versatile customization options, it is no wonder that so many people prefer this firearm. When it comes to finding the best red dot for your X5 Legion, there are a few different factors you should consider.

This article will help you make an informed decision about which red dot is best for your X5 Legion by looking at the different types of red dots available, the features offered by each, and the pros and cons of each.

By understanding your needs and the features available, you can make the best decision for your X5 Legion and maximize its potential.

Best X5 Legion Red Dot Sights

Let’s move and read in details on every single items below where we guided that what item is suitable for you.


The Trijicon RMR Adjustable (LED) Sight 3.25 MOA Red Dot is a high-quality reflex sight designed for use on a wide range of firearms. This sight is designed to be durable and reliable, making it an ideal choice for hunters, competitive shooters, and military and law enforcement professionals.

One of the standout features of the RMR Adjustable (LED) sight is its robust construction. The sight body is made from rugged 7075-T6 aircraft-grade aluminum, which provides excellent resistance to impact and wear. The sight is also waterproof to a depth of 20 meters, making it ideal for use in wet or humid conditions.


The RMR Adjustable (LED) sight also features a 3.25 MOA red dot reticle, which is bright and clear even in low-light conditions. The reticle is adjustable for windage and elevation, allowing shooters to quickly and easily zero in their sights for maximum accuracy.

Another notable feature of the RMR Adjustable (LED) sight is its battery life. The sight is powered by a single CR2032 battery, which provides up to 4 years of continuous use at the medium brightness setting. This means that you can rely on the sight to perform reliably for extended periods of time without worrying about battery replacement.


The DeltaPoint Pro features a high-quality lens system that provides a clear, distortion-free image of the target. The sight has a 2.5 MOA dot reticle that is easily visible in bright daylight and low-light conditions. The reticle is adjustable for both windage and elevation, allowing shooters to make precise adjustments to their point of impact.

The lens is scratch-resistant and coated with DiamondCoat, which is an anti-reflective and anti-scratch coating that ensures clear images even in the harshest conditions.


The DeltaPoint Pro is built to withstand extreme conditions. The housing is made of lightweight aircraft-grade aluminum and is both shockproof and waterproof.

The sight can withstand drops, bumps, and rough handling, making it ideal for use in harsh environments. The battery compartment is top-loading, making it easy to replace the battery without removing the sight from the firearm.

The DeltaPoint Pro has a versatile mounting system that allows it to be mounted on a wide variety of firearms. The sight can be mounted directly to the firearm using Leupold’s proprietary DeltaPoint Pro All Mounts Kit, or it can be mounted using a variety of aftermarket mounting options, including Picatinny, Weaver, and Glock MOS mounts.


The Trijicon SRO (Specialized Reflex Optic) is a red dot sight designed for use on pistols, rifles, and shotguns. It features a large window for a wide field of view, making it easier to acquire targets quickly and accurately.

One of the standout features of the SRO is its adjustable LED reticle, which allows the user to choose between eight different brightness settings to match their shooting conditions. The reticle is also parallax-free, ensuring accuracy regardless of eye position.


The SRO is built tough, with a rugged aluminum housing that can withstand harsh conditions and recoil forces. It’s also waterproof up to 10 feet, so you don’t have to worry about rain or accidental submersion damaging the optic.

Installation is easy, thanks to the included mounting plate and screws that allow you to attach the SRO to your pistol, rifle, or shotgun. The SRO is also compatible with a wide variety of popular red dot mounts, making it a versatile choice for shooters of all levels.


The HOLOSUN HS507C X2 is a popular red dot sight among both professional and amateur shooters. This optic is packed with features, including multiple reticle options, an enclosed emitter system, and Solar Failsafe technology.

The HS507C X2 is built to withstand heavy recoil and harsh environmental conditions, thanks to its aluminum housing and IP67 waterproof rating. The enclosed emitter system prevents dirt, debris, and moisture from obstructing the reticle, ensuring that the shooter always has a clear sight picture.


One of the standout features of the HS507C X2 is its multiple reticle options. This optic comes with a 2 MOA dot, a 32 MOA circle, and a combined reticle that features both the dot and circle. The user can switch between these reticles with the touch of a button, making it easy to adjust to changing shooting situations.

Another feature that sets the HS507C X2 apart is its Solar Failsafe technology. This system automatically switches from battery power to solar power when the battery is low, ensuring that the optic always has power. This is a great feature for anyone who wants to be sure that their sight will always be operational, even in low-light conditions.


The Crimson Trace RAD (Rapid Aiming Dot) is a compact red dot sight that is designed for fast and accurate target acquisition. It features a 2 MOA dot reticle, which is illuminated by a high-efficiency LED. The sight is powered by a single CR2032 battery and has a battery life of up to 50,000 hours.

The RAD is constructed from lightweight and durable aircraft-grade aluminum, which makes it rugged enough to withstand heavy use in a variety of environments. It has a low profile design that allows for co-witnessing with iron sights, and it mounts easily to any Picatinny rail.


One of the standout features of the Crimson Trace RAD is its Shake Awake technology. This feature puts the sight to sleep after a period of inactivity to conserve battery life, but it instantly wakes up as soon as the rifle is moved, ensuring that the sight is always ready when you need it.

The sight has an adjustable brightness setting that can be easily adjusted with the touch of a button. The sight is also parallax-free, which means that the point of aim is always on target, regardless of eye position or head movement.

Buying Guide

Type of Red Dot Sight: There are two main types of red dot sights – tube and open. Tube sights have a longer battery life and a more precise dot, while open sights provide a wider field of view and faster target acquisition. Consider your shooting needs and preferences to choose the type of red dot sight that will work best for you.

Reticle Type: Red dot sights come with various reticle types, including dot, crosshair, and circle-dot. Choose a reticle that is easy for you to acquire and align with your target.

Dot Size: Red dot sights have different dot sizes, ranging from 1 MOA to 8 MOA. A smaller dot size allows for more precise aiming, while a larger dot size allows for faster target acquisition. Consider the size of the targets you will be shooting at and choose a dot size that will work best for your needs.

Battery Life: Red dot sights rely on batteries to power the reticle, so it’s important to choose a sight with a long battery life. Look for a sight that can last for thousands of hours on a single battery, and consider carrying a spare battery with you just in case.

Durability: Your red dot sight should be able to withstand the recoil of your firearm, as well as any weather conditions you may encounter. Look for a sight that is waterproof, shockproof, and fog proof.

Mounting Options: Make sure the red dot sight you choose is compatible with the mounting system on your Sig Sauer P320 X5 Legion. Some sights come with specific mounts, while others have a universal mounting system.

Price: Red dot sights can range in price from under $100 to over $1000. Determine your budget before shopping for a sight and look for a model that offers the features you need at a price point you can afford.

Frequently Asked Questions

What is the best red dot for the Sig Sauer X5 Legion?

There are several great red dot options for the X5 Legion, but some of the most popular choices include the Trijicon RMR, Leupold DeltaPoint Pro, and the Sig Sauer Romeo1 Pro.

Which red dot sight is the easiest to install on the X5 Legion?

Most red dot sights for the X5 Legion will require a mounting plate, but some popular options like the Sig Sauer Romeo1 Pro and the Leupold DeltaPoint Pro have mounting plates specifically designed for the X5 Legion, making installation quick and easy.

Can the X5 Legion accommodate larger red dot sights?

Yes, the X5 Legion has a large enough slide to accommodate larger red dot sights like the Trijicon SRO or the Holosun 507C.

What size and shape reticle is best for the X5 Legion?

This ultimately comes down to personal preference, but many shooters prefer a smaller reticle size (between 2 and 4 MOA) for precision shooting, and a round or dot reticle shape for quick target acquisition.

How does the battery life of different red dot sights compare for the X5 Legion?

Battery life can vary between different red dot sights, but generally, the Trijicon RMR has the longest battery life (up to 4 years) with its LED reticle. Other sights like the Leupold DeltaPoint Pro and the Sig Sauer Romeo1 Pro have a battery life of around 2 years with their LED reticles.

Final Words

When it comes to finding the best red dot for your X5 Legion, there are a few different factors to consider. With a variety of different types of red dots available, it is important to understand the features of each so that you can make an informed decision.

Consider your needs and the features offered to find the best red dot for your X5 Legion and maximize its potential. With the right red dot, you can take your X5 Legion to the next level and enjoy improved accuracy and performance.

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