Best Red Dot For Sig M18 (2024 Updated)

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If you are looking for the best red dot for your Sig M18, you have come to the right place. The Sig M18 is a compact and versatile firearm, and adding a red dot sight can significantly enhance its accuracy and performance. However, with so many options available in the market, it can be overwhelming to choose the right one. In this article, we will guide you through the key points to consider when looking for the best red dot for Sig M18.

Firstly, you should consider the size and weight of the red dot sight. The Sig M18 is a compact firearm, and you don't want a bulky sight that will add unnecessary weight and size to it. Secondly, you should look for a sight that has a clear and bright reticle, as this will help you acquire your target quickly and accurately. Thirdly, you should consider the battery life of the red dot sight, as you don't want to be changing batteries frequently, especially during critical situations.

Fourthly, you should look for a sight that is durable and can withstand harsh environments and recoil. Finally, you should consider the price of the red dot sight, as you don't want to overspend on a sight that doesn't meet your requirements.

In summary, when looking for the best red dot for Sig M18, consider the size and weight, clarity of the reticle, battery life, durability and price. By keeping these key points in mind, you can choose a red dot sight that meets your needs and enhances the performance of your Sig M18.

10 Best Red Dot For Sig M18

1. Ade Advanced Optics Crusader Rd3-009 Red Dot Reflex Sight With Mounting Plate For Sig Sauer P320 M17/m18.

The Ade Advanced Optics Crusader RD3-009 Red Dot Reflex Sight is a high-quality optic designed for use with the Sig Sauer P320 M17 and M18 pistols. This package includes the Crusader RD3-009 sight, a picatinny plate, and an optic mounting plate that is specifically designed to fit the P320 M17, M18, X-5 Legion, and X-Compact handguns that have a loaded chamber indicator and two holes for the plate's two teeth to insert.

It is important to fully inspect your P320 model and optic cut before purchasing, as the pistol optic plate does not fit the standard Sig P320, Sig P320 Military Surplus/Mil Spec version, or Sig P320 RX. Additionally, it does not fit standard X5 handguns that do not have a loaded chamber indicator. The installation of the pistol optic plate requires the removal of the rear sight and disassembly of the pistol slide to reach the two screw holes underneath. Gunsmith experience is required, and it is recommended to hire a professional gunsmith to ensure proper installation. Improper installation, such as improper torque, can result in screw looseness, failure to hold zero, damage to the firearm/optic, and personal injury.

The Crusader RD3-009 sight features a 6 MOA red dot and operates with a single CR2032 battery that is installed underneath. It offers multiple brightness settings and has a battery life of 1000 hours on the brightest setting. The sight also has an auto turn-off feature after 4 hours. Its compact size, measuring approximately 1.01"H x 1.9"L x 1.1W, makes it easy to handle and use.

The sight is shockproof, fog proof, and waterproof for 30 minutes under 4ft water. It is fully windage and elevation adjustable and lockable, with unlimited eye relief. The sight is constructed of full metal with a glass lens, providing durability and longevity. It does not have a plastic body or lens, ensuring maximum protection and accuracy.

In addition to the sight, the package includes a protective cover, screws, wrenches, instructions, lens cloth, and an anti-flickering shim. The protective cover helps to prevent damage to the sight during transport or storage, while the screws and wrenches enable easy installation. The instructions provide detailed information on how to install and use the sight, and the lens cloth ensures that the lens stays clean and clear. The anti-flickering shim helps to prevent any flickering that may occur during use.

Overall, the Ade Advanced Optics Crusader RD3-009 Red Dot Reflex Sight is a reliable and durable optic that is designed specifically for use with the Sig Sauer P320 M17 and M18 pistols. Its high-quality construction, multiple features, and ease of use make it a great addition to any firearm enthusiast's collection.

2. Ade Advanced Optics Zantitium Red Dot Sight + Mounting Plate For Sig Sauer P320 M17/m18.

The Ade Advanced Optics Zantitium RD3-015 Red Dot Reflex Sight is a top-of-the-line sight designed for use with the Sig Sauer P320 M17, M18, X-5 Legion and X-Compact Handgun models that have a loaded chamber indicator and two holes for the plate's two teeth to insert to. The package includes the ADE Zantitium RD3-015 Red dot sight, a picatinny plate, and an optic mounting plate for easy installation.

It is critical to thoroughly inspect the P320 model and optic cut before purchasing, as the pistol optic plate will not fit standard Sig P320, Sig P320 Military Surplus/Mil Spec version, Sig P320 RX or standard X5 that does not have a loaded chamber indicator. Additionally, the pistol optic plate requires the removal of the rear sight and disassembly of the pistol slide to reach the two screw holes underneath, necessitating gunsmith experience. Unprofessional installation can result in screw looseness, zero errors, damage to the firearm/optic, and personal injury.

With an actual size of 2.25" Length x 1.4" Width x 1.27" Height, the ADE Zantitium Red dot sight is the largest handgun sight on the market, providing up to twice the window size of other micro red dots. However, it may look bulky when installed on micro-compact handguns. The sight has a 4 MOA dot and a top-load system that eliminates the need to remove the sight to change the battery. The red dot has multiple brightness levels with a single adjustment button, and it stays at the same brightness level each time it is turned on.

The ADE Zantitium Red dot sight is shockproof, fog proof, and waterproof for 30 minutes under 4ft water. It is fully windage and elevation adjustable and lockable with unlimited eye relief. The sight has a full metal construction with a glass lens, and it does not have a plastic body or lens. The package includes a protective cover, screws, wrenches, instructions, lens cloth, and an anti-flickering shim.

Thanks to new advanced battery technology, the ADE Zantitium Red dot sight can last up to 3000 hours on the bright setting and up to 40k hours on the low setting with a 2032 battery (included). Additionally, the sight retains the same brightness level every time it is turned on.

Overall, the ADE Advanced Optics Zantitium RD3-015 Red Dot Reflex Sight is a top-of-the-line sight that provides an unmatched level of durability, accuracy, and convenience.

3. Red Dot Mount For Sig Sauer P320 M17/m18 To Vortex Venom/viper Sight.

The Ade Advanced Optics Red Dot Adapter/Mount for Sig Sauer P320 M17/M18 is a brand new designed optic mounting plate that is specially created to fit Sig Sauer P320 M17, M18, X-5 Legion, and X-Compact handguns that have a loaded chamber indicator and two holes for the plate's two teeth to insert. However, it is important to note that this plate does not fit standard Sig P320, Sig P320 Military Surplus/Mil Spec version, or Sig P320 RX.

This optic mounting plate is also designed to fit Ade RD3-006A(Huracan), RD3-006B(Python), RD3-009(Crusader), RD3-012(Delta), RD3-013(Bertrillium), RD3-015(Zantitium) red dots, ishot and similar red dots, as well as Vortex Venom/Razor/Viper, Burris Fastfire, Meopta, Eotech MRDS, Docter, Insight, and Sightmark Min.

It is essential to note that the installation of this optic plate requires the removal of the rear sight and disassembling the pistol slide to reach the two screw holes underneath. Gunsmith experience is recommended as unprofessional installation, such as improper torque, could result in screw loose, not holding zero, damage to the firearm/optic, and personal injury.

It is advisable to hire a professional gunsmith to install this optic mounting plate to ensure the proper installation, which will prevent any damage to the firearm/optic and personal injury. The plate is designed to fit only specific Sig Sauer P320 handguns with a loaded chamber indicator and two holes for the plate's two teeth to insert. Therefore, it is essential to inspect your XCarry fully before purchasing to ensure that it has a loaded chamber indicator.

In conclusion, the Ade Advanced Optics Red Dot Adapter/Mount for Sig Sauer P320 M17/M18 is a reliable and durable optic mounting plate that is designed to fit specific Sig Sauer P320 handguns and different red dot sights. However, it is essential to hire a professional gunsmith for proper installation to prevent any damage to the firearm/optic and personal injury.

4. Ade Advanced Optics Red Dot Reflex Sight With Mounting Plate For Sig Sauer P320 M17/m18.

The Ade Advanced Optics Bertrillium RD3-013 Red Dot Reflex Sight is a high-quality optic sight designed for Sig Sauer P320 M17, M18, X-5 Legion and X-Compact Handguns. The sight comes with a picatinny plate and an optic mounting plate that fits perfectly with the mentioned handgun models that have a loaded chamber indicator and two holes for the plate's teeth to insert.

Before purchasing, it is essential to inspect the P320 model and optic cut to ensure that the pistol optic plate fits correctly. The plate does not fit the Standard Sig P320, Sig P320 Military Surplus/Mil Spec version, Sig P320 RX, or standard X5 that does not have a loaded chamber indicator.

The pistol optic plate requires the removal of the rear sight and disassembling the pistol slide to reach the two screw holes underneath. It is essential to hire a professional gunsmith for proper installation, as unprofessional installation may result in screw looseness, not holding zero, damage to the firearm/optic, and personal injury.

The red dot sight features a 4 MOA, fully windage and elevation adjustable and lockable, and unlimited eye relief. The sight has a full metal construction with a glass lens, without any plastic body or lens. The top-load system eliminates the need to remove the sight to change the battery, and the red dot has multi-brightness levels with one adjustment button. Every time the dot is turned on, it stays at the same brightness level as the last time it was turned off.

The sight measures 1.75" length x1.25" width x1.15" height and comes with a protective cover, screws, wrenches, instructions, lens cloth, and an anti-flickering shim. It is shockproof, fog proof, and waterproof for 30 minutes under 4ft water. The sight features new advanced battery technology that gives up to 3000 hours on bright setting and up to 40k hours on low setting with a 2032 Battery (included).

In conclusion, the Ade Advanced Optics Bertrillium RD3-013 Red Dot Reflex Sight is a reliable and durable sight designed for specific Sig Sauer P320 models. It comes with all the necessary components and features that ensure a clear and accurate shot every time.

5. Sig Sauer Sig Air Reflex Sight (Airguns/airsoft Only)

The Sig Sauer SIG AIR Reflex Sight is a red dot optic reflex sight designed specifically for airguns and airsoft firearms. This high-quality sight is an excellent choice for those looking to enhance their shooting accuracy and overall performance.

Included in the box is the SIG AIR Reflex Sight, which works with the Optics Ready SIG AIR P320 Airgun and Airsoft platforms, including the M17/M18. The sight is designed for easy installation, and it comes with two mounting plates and a CR2032 battery.

One of the main benefits of the Sig Sauer SIG AIR Reflex Sight is its elevation and windage adjustments. These adjustments allow the shooter to fine-tune their aim and make precise shots, even in challenging conditions. Additionally, the sight features a 6 level intensity control, allowing the shooter to adjust the brightness of the reticle to their liking.

The sight is constructed with a lightweight aluminum housing, making it durable and resistant to wear and tear. The shock-proof design ensures that the sight can withstand the recoil of airguns and airsoft firearms without losing its zero. This means that the shooter can rely on the sight's accuracy and consistency, even after repeated use.

Installing the Sig Sauer SIG AIR Reflex Sight is a breeze. Simply attach the mounting plates to the firearm and then attach the sight to the plates. The sight is designed to be compatible with a wide range of airguns and airsoft firearms, making it a versatile choice for shooters of all skill levels.

Overall, the Sig Sauer SIG AIR Reflex Sight is an excellent choice for those looking to improve their shooting performance. Its durable construction, precise adjustments, and easy installation make it a top choice for airgun and airsoft enthusiasts alike.

6. Delta Rd3-012 Red Dot Sight + Mount Plate For Sig Sauer P320 M17/m18

The Ade Advanced Optics Delta RD3-012 Red Dot Reflex Sight is a high-quality optic designed for use with the Sig Sauer P320 M17, M18 Pistol. This product comes with an ADE RD3-012 Delta RED dot sight, a picatinny plate, and an optic mounting plate that is specifically designed to fit Sig Sauer P320 M17, M18, X-5 Legion, and X-Compact Handgun that has a loaded chamber indicator and two holes for the plate's two teeth to insert.

Before purchasing, it is essential to fully inspect the P320 model and optic cut to ensure compatibility with this pistol optic plate. It is important to note that this pistol optic plate does not fit Standard Sig P320, Sig P320 Military Surplus/Mil Spec version, Sig P320 RX, and standard X5 that does not have a loaded chamber indicator. The installation of the pistol optic plate requires the removal of the rear sight and disassembling the pistol slide to reach the two screw holes underneath. Therefore, gunsmith experience is required, and it is recommended to hire a professional gunsmith. Improper installation, such as improper torque, can result in screw looseness, not holding zero, damage to the firearm/optic, and personal injury.

This product features a top load system, eliminating the need to remove the sight to change the battery. The red dot has multi-brightness levels with one adjustment button. Every time the dot is turned on, it stays at the same brightness level as the last time it was turned off. It features a 6 MOA dot size and measures 1.75" length x1.25" width x1.15" height. The red dot is fully windage and elevation adjustable and lockable with unlimited eye relief. It has full metal construction with a glass lens, with no plastic body or lens.

This product comes with a protective cover, screws, wrenches, instructions, lens cloth, and anti-flickering shim. It is shockproof, fog proof, and waterproof for up to 30 minutes under 4ft of water. The Ade Advanced Optics Delta RD3-012 Red Dot Reflex Sight is a reliable and durable optic that is perfect for anyone looking to upgrade their Sig Sauer P320 M17, M18 Pistol.

7. Outerimpact Red Dot Adapter Mount For Sig Sauer P320-M17/x-5 Legion

The Outerimpact Red Dot Adapter Mount for Sig Sauer P320-M17/X-5 Legion is a high-quality accessory designed to enhance the performance of your firearm. This adapter mount is compatible with several Sig Sauer models, including the P320-M17 (non mil-spec), M18, X-5 Legion, X-Compact, and the X-Carry (if it has a loaded chamber indicator).

This adapter mount allows you to mount a variety of red dot sights using the included mounting screws. Compatible red dot sights include the Trijicon RMR, Doctor, Insight MRDS, Leupold Delta Point, Leupold Delta Point Pro, Vortex Razor, Vortex Viper, Vortex Venom, Burris Fast Fire 2 & 3, CMORE RTS & STS, Sig Romeo 3, UTG Reflex Micro Dot, Shield RMS (additional screw purchase required), Holosun 407/507c, Kahles Helia, Springfield Hex Dragonfly, Bushnell RXS 100 and 250, and Crimson Trace CTS 1250.

The adapter mount is made of billet 7075-T6 aluminum, which is a high-strength material commonly used in aerospace and military applications. The black anodized finish not only adds to the aesthetic appeal, but also provides extra protection against wear and tear.

The dimensions of the adapter mount are compact, with a length of 2.0 inches, a width of 1.06 inches, and a height of 0.12 inches. This makes it easy to install and use without adding unnecessary bulk to your firearm.

Overall, the Outerimpact Red Dot Adapter Mount is an excellent accessory for anyone looking to enhance the accuracy and versatility of their Sig Sauer P320-M17/X-5 Legion firearm. With its compatibility with a variety of red dot sights and its durable construction, this adapter mount is a must-have for any serious shooter.

8. Ade Advanced Optics Mini Red Dot Sight Mount For Sig Sauer P320 M17/m18 With Burris Fastfire And Doctor Compatibility.

The Ade Advanced Optics Mini Red Dot Sight Mount Base is a brand new designed optic mounting plate that is specifically designed to fit Sig Sauer P320 M17, M18, X-5 Legion, and X-Compact handguns that have a loaded chamber indicator and two holes for the plate's two teeth to insert. It is also compatible with the XCarry, but only if it has a loaded chamber indicator. Those without a loaded chamber indicator will not be able to use this plate.

It is important to inspect your XCarry fully before purchasing to ensure compatibility. This plate does not fit Standard Sig P320, Sig P320 Military Surplus/Mil Spec version, or Sig P320 RX.

This optic plate is compatible with a variety of red dots, including the Ade RD3-006A(Huracan), RD3-006B(Python), RD3-009(Crusader), RD3-012(Delta), RD3-013(Bertrillium), RD3-015(Zantitium) red dots, as well as Vortex Venom/Razor/Viper, Burris Fastfire, Meopta, Eotech MRDS, Docter, Insight, Sightmark Minishot, and similar red dots.

Installation of this optic plate requires removing the rear sight and disassembling the pistol slide to access the two screw holes underneath. Gunsmith experience is required, and it is recommended to hire a professional gunsmith for installation. Improper installation, such as improper torque, can result in screw looseness, not holding zero, damage to the firearm/optic, and personal injury.

In summary, the Ade Advanced Optics Mini Red Dot Sight Mount Base is a high-quality, compatible optic mounting plate designed for Sig Sauer P320 M17, M18, X-5 Legion, and X-Compact handguns with a loaded chamber indicator. It is compatible with a variety of red dots and requires professional installation for optimal performance and safety.

9. Meopta/insight/ade Red Dot Mounting Plate For Sig P320 M17/m18.

The Red Dot Mounting Plate/Base/Adapter for Meopta, Insight, ADE RD3-006 Haracan, RD3-009 Crusader, RD3-012, RD3-013, RD3-015 Red Dot Sight is a brand new, innovative accessory designed to fit Sig Sauer P320 M17, M18, X-5 Legion and X-Compact Handguns that feature a loaded chamber indicator and two holes for the plate's two teeth to insert into. The mounting plate is also compatible with XCarry models that have a loaded chamber indicator, but not all XCarry models are compatible, so it is essential to inspect your XCarry fully before purchasing.

It is important to note that this plate does not fit Standard Sig P320, Sig P320 Military Surplus/Mil Spec version, or Sig P320 RX models. It is designed to fit Ade RD3-006A(Huracan), RD3-006B(Python), RD3-009(Crusader), RD3-012(Delta), RD3-013(Bertrillium), RD3-015(Zantitium)Red dots, ishot and similar red dots, as well as Vortex Venom/Razor/Viper, Burris Fastfire, Meopta, Eotech MRDS, Docter, Insight, and Sightmark Min.

To install the optic plate, the rear sight must be removed, and the pistol slide must be disassembled to reach the two screw holes underneath. Due to the complexity of the installation, gunsmith experience is required, and it is recommended to hire a professional gunsmith. It is crucial to note that unprofessional installation, such as improper torque, may result in loose screws, damaged firearm/optic, and personal injury.

The Red Dot Mounting Plate/Base/Adapter is machined from aircraft-grade aluminum with hard anodizing finish, making it durable and long-lasting. It comes with screws and hardware for installation, ensuring that users have everything they need to set up their red dot sight effectively. With its innovative design and reliable construction, this mounting plate is an excellent accessory for anyone looking to upgrade their Sig Sauer P320 M17, M18, X-5 Legion, or X-Compact handgun with a red dot sight.

10. Outerimpact Micro Red Dot Adapter For Sig Sauer M17, M18 And X5-Legion

The OuterImpact Micro Red Dot Adapter is a high-quality accessory designed for use with Sig Sauer M17, M18, and X5-Legion handguns. It is made of billet 7075-T6 aluminum, which is a durable and lightweight material that can withstand tough conditions.

This adapter is compatible with several red dot sights, including Holosun 407k/507k, Sig Romeo Zero, Shield RMSc, Swampfox Sentinel, JPoint, and Crimson Trace 1550. The mounting screws for these sights are also included, making it easy and convenient to install.

The coating of the adapter is anodized, which provides an extra layer of protection against wear and tear. The finish is black anodize, which gives it a sleek and professional look that matches well with the Sig Sauer handguns.

The mounting hardware for the adapter includes (2) 4-48 Socket Head Cap screws, (2) M3 x 8mm Flat Head Screws, (2) M3 x 6mm Socket Head Cap Screws, (2) M3x8mm Socket Head Cap Screws, and (2) M3 X 10mm Flat Head Screws. These screws are made of high-quality materials and are designed to ensure a secure and stable fit.

Overall, the OuterImpact Micro Red Dot Adapter is an excellent addition to any Sig Sauer M17, M18, or X5-Legion handgun. It is made of high-quality materials, is compatible with several red dot sights, and is easy to install. It is a must-have accessory for anyone who wants to improve their accuracy and shooting performance.

Best Red Dot For Sig M18 FAQs

Are there any particular brands of red dot sights that are known to work well with the Sig M18?

There are several brands of red dot sights that are known to work well with the Sig M18, including Trijicon, Aimpoint, Vortex, and Holosun. These brands offer a wide range of red dot sights that are durable, reliable, and accurate, making them ideal choices for use with the Sig M18. Factors to consider when selecting a red dot sight include the size and weight of the sight, the battery life, the reticle design, and the overall quality of the optics. Ultimately, the best red dot sight for the Sig M18 will depend on the user's specific needs and preferences, as well as the intended use of the firearm. It is recommended to consult with a firearms expert or do thorough research before making a purchase.

Can any red dot sight be mounted on the Sig M18, or are there specific models that are compatible?

Not all red dot sights are compatible with the Sig M18. This is because the M18 has a unique slide cut that requires a specific mounting plate for the red dot sight. The Sig Sauer Romeo1Pro and Leupold DeltaPoint Pro are both compatible with the M18 without requiring any additional mounting plates. However, other red dot sights such as the Trijicon RMR and Vortex Venom require a specific mounting plate to be installed on the M18 slide. It is important to ensure that the red dot sight being considered for the M18 has a mounting solution available that is compatible with the M18's unique slide cut. Using a non-compatible red dot sight can result in a poor fit or damage to the firearm. It is recommended to consult with a professional or the manufacturer before attempting to mount a red dot sight on the M18.

What features should I look for in a red dot sight for the Sig M18?

When looking for a red dot sight for the Sig M18, it is important to consider a few key features. First and foremost, the sight should be compatible with the Sig M18 and mount securely to the firearm. Additionally, the size of the sight should be appropriate for the firearm and not obstruct the shooter's view. The sight should have a clear and bright reticle that is easy to see and aim with. It is also important to consider the battery life and durability of the sight, as well as any additional features such as multiple reticle options or adjustable brightness levels. Overall, a high-quality red dot sight for the Sig M18 should enhance the shooter's accuracy and speed without compromising the performance or reliability of the firearm.

Which red dot sight offers the best accuracy and durability for the Sig M18?

There are several red dot sights that offer excellent accuracy and durability for the Sig M18. One of the top choices is the Trijicon RMR Type 2, which features a rugged aluminum body and offers precise aiming capabilities. It is also equipped with a bright LED reticle that is easy to see in any lighting condition. Another great option is the Aimpoint PRO, which is designed to withstand harsh conditions and offers a clear, parallax-free sight picture. It is also known for its long battery life, which can last up to 30,000 hours. The Holosun HS507C is another popular choice, featuring a durable aluminum housing and a solar-powered backup system. It also offers multiple reticle options and a wide field of view for fast target acquisition. Ultimately, the best red dot sight for the Sig M18 will depend on the shooter's specific needs and preferences.

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