7 Best Red Dot Sight for Kimber Custom OI

As technology in optics continues to advance, red dot sights have become a popular addition to handguns. The best red dot sight for Kimber Custom OI provides several benefits to shooters and this article sheds light on the very best models available out there.

Whether you use the Kimber Custom OI for self-defense, general range use, or any other application, a red dot sight can be a game changer. It will fine-tune your point of aim, get you on target rapidly, and help you acquire targets with stunning precision. Moreover, these optics are vital for confident aiming in low-light conditions.

Best Red Dot Sights for Kimber Custom OI

While it is great to have many red dot sights on the market today, the abundance of choices doesn’t make it easy to pick out just one. If you are getting started on a new red dot sight but having a hard time finding the ideal model, we are here to help. We have searched the market, weighed the pros and cons, and put together a roundup of the best red dot sights for Kimber Custom OI with a comprehensive guide to help you choose right.

So, without further ado, let’s jump right in.

1) Leupold DeltaPoint Pro Red Dot Sight – Best Overall

best red dot sight for Kimber Custom OI



The Leupold DeltaPoint Pro Red Dot Sight marks our first pick of the best red dot sight for Kimber Custom OI. It is known for its precision and rugged construction in a compact, lightweight package.

The selling point of this red dot sight is its optical features. It boasts crystal-clear glass that provides an unobstructed field of view and exceptional clarity in all light settings. Furthermore, it has an expansive sight window that ensures quick target acquisition and increased situational awareness.

With the robust construction, the sight withstands the wear and tear of everyday use and the recoil of this handgun. Moreover, its optical tube is waterproof and dustproof to enable use in all weather conditions.

The other important features included are motion sensor technology, a tool-less battery compartment, and a crisp reticle with different brightness settings to enhance shooting precision in all light settings.


  • 5 MOA red dot reticle
  • Unlimited eye relief
  • Diamond coat optical coating
  • Aluminum construction
  • 1 MOA adjustment click value
  • 8 adjustable brightness settings
  • Locking adjustment system
  • Motion sensor technology
  • Shrouded in rugged spring steel


  • Ultra-durable construction
  • Good value for money
  • Lightweight and compact
  • Easy to install and operate


  • Battery life

2) Aimpoint ACRO P-2 Red Dot Reflex Sight – Best Rugged

best red dot sight for Kimber Custom OI



The Aimpoint ACRO P-2 Red Dot Reflex Sight is an advanced pistol-mounted optic optimized for applications that require a low-profile red dot system. It is equipped with all the modern features you need to take your shooting a notch higher.

This optic is designed and built to last. It withstands the physical forces generated by semi-automatic pistol slides without adding any bulk. Besides, the fully enclosed optical channel protects the internal optics from extreme shock, vibrations, and material stresses.

To complement the robust construction, the sight features a sealed optical channel to keep rain, mud, snow, sand, and other debris at bay. It is also ideal for use in extreme temperatures as low as -51°C to as high as 71°C.

Another impressive feature of the Aimpoint ACRO P-2 Red Dot Reflex Sight is its precision. It employs a 3.5 MOA red dot for fast target acquisition and precision shooting. On top of that, the reticle has 4 night vision compatible illumination settings and 6 daylight settings.


  • Multi-coated optics
  • Enclosed emitter
  • Infinite eye relief
  • 10 brightness settings
  • 5 MOA red dot reticle
  • Sealed optical channel
  • 7075-T6 high-strength aluminum construction
  • Hard anodized finish
  • Waterproof and submersible to 115 feet/35m


  • Compatible with night vision gear
  • Easy to install
  • Robust construction
  • Accurate and dependable


  • Costly

3) Vortex Venom Red Dot Sight – Best Budget

Vortex Venom



Vortex Venom Red Dot Sight is the best red dot sight for Kimber Custom OI for close-quarter combat. It gives an upper hand in such situations and aids in speedy target acquisition.

This red dot sight features a 3 MOA reticle for laser-sharp precision in target acquisition. The reticle has 10 brightness levels to deliver the ideal illumination in all light settings. Besides, you can fine-tune accuracy with the ballistic and windage compensation controls that allow 1 MOA per click adjustments.

To ensure value for money for years, this red dot sight has a durable aluminum housing featuring a single-piece chassis and anti-scratch type hard anodized finish. It is also waterproof and impact-resistant to endure any beating that comes its way.

Well, that’s not all. The Vortex Venom Red Dot Sight has fully multi-coated optics that work together with the wide-field lens to provide exceptionally bright and clear views with minimal change in target color. It also boasts a scratchproof Armortek coating for repelling oil and dirt.


  • Unlimited eye relief
  • 3 MOA red dot sight
  • Single-piece chassis
  • Waterproof and shock-resistant
  • Wide-field lens
  • Fully multi-coated optics
  • Parallax-free optical configuration
  • Variable illumination
  • Type III hard anodized finish


  • Ease of installation
  • Lightweight
  • Long battery life
  • Durable and well-made


  • Dot quality

4) Trijicon RMRcc Sight Adjustable LED Red Dot – Best for Money

Trijicon RMRcc



Paring your Kimber Custom OI with the Trijicon RMRcc Sight Adjustable LED Red Dot is key to fine-tuning your shooting precision. This optic will not only hone your skills but also help in rapid target acquisition.

It features a clean sight picture with a 6.5 MOA red dot reticle. The reticle is accurate and easy to spot in all environments. Furthermore, you can tailor it to match different light settings thanks to the eight adjustable brightness settings.

Trijicon optics are known for their rugged construction and this sight is not an exception. Its housing shape directs the impact force away from the lens for durability. Besides, both the 7075-T6 aluminum housing and tempered glass window are impact-resistant and waterproof to weather the rigors of outdoor use.

In addition to all these features, the Trijicon RMRcc Sight Adjustable LED Red Dot has a button lock that sets the RMR into an automatic mode to prevent accidental adjustments.


  • 5 MOA red dot reticle
  • Waterproof to 66’
  • Broadband anti-reflection multi-coated lens
  • 3 MOA impact point correction
  • Aluminum alloy housing
  • Snag-resistant design
  • Tempered glass window
  • Eight brightness levels


  • Compact and lightweight
  • Battery included
  • Sharp red dot reticle
  • Large sighting window
  • Excellent construction quality


  • Mount not included

5) Holosun HS507K-X2 1×2 MOA Red Dot Sight – Best Compact

Holosun HS507K-X2



Holosun HS507K-X2 1×2 MOA Red Dot Sight suits you if you are looking for a compact red dot sight for your handgun. It is designed specifically for concealed-carry handguns where it delivers highly accurate shots downrange.

This innovative sub-compact red dot sight has a multi-reticle system that allows you to choose between a 2 MOA red dot only, 32 MOA rings only or both. This guarantees precision aiming across vast distances.

Furthermore, you can adjust the brightness of the reticle to 12 different settings, two of which are compatible with night vision goggles. Other than that, the sight has 50,000 hours of batter life with no re-zeroing needed when you change the battery.

To top off everything else, the sight has a robust 7075-T6 aluminum housing that is anodized against abrasion and rust, and fully protected from moisture and dust damage.


  • 12 brightness settings
  • Convenient tray battery compartment
  • Anodized finish
  • IP68 waterproof
  • Unlimited eye relief
  • Multi-coated optics
  • LED illumination
  • Multi-reticle system
  • Open emitter


  • Long battery life
  • Seamless installation process
  • Robust and well-made
  • Compact and ultra-light


  • Battery not included

6) Swampfox Sentinel II 1×20 Red Dot Sight – Best for Beginners

Swampfox Sentinel II 1x20



The Swampfox Sentinel II 1×20 Dot Sight is an ideal choice for beginners in shooting. It showcases a fusion of advanced features that make it easy to install and simple to use.

Built with a 20mm objective lens and a slim profile, the sight is easy to conceal on all builds with RMSc optic cut. It is also outfitted with a removable rear sight guide to provides backup support for guiding your eye to the dot during use.

Furthermore, the crisp 3 MOA reticle aids in precision shooting as it is easy to spot. Its brightness settings are adjustable into 10 levels to ensure visibility even in low light. Other than that, the sight has multi-coated optics to boost light transmission and maximize optical clarity.

Regarding construction, this sight has a rugged enforced hood design with anti-glare serrations. It is also crafted with 7075 aluminum which is rigid enough to withstand abuse and rough use.


  • Removable rear sight
  • 10 illumination settings
  • Wide 20mm objective lens
  • Rugged enforced hood
  • Parallax-free optics
  • 3 MOA reticle
  • Hydrophobic lens finish
  • Robust 7075 aluminum construction


  • Large sighting window
  • Nice size
  • Quick installation
  • Crisp reticle


  • Bottom battery compartment

7) Crimson Trace CT-RAD Pro Reflex 1 x 5 MOA Red Dot Sight – Honorary Mention

Crimson Trace CT-RAD Pro



Crimson Trace CT-RAD Pro Reflex 1 x 5 MOA Red Dot Sight marks our last recommendation of the best red dot sight for Kimber Custom OI. It is a high-quality sight that offers a good balance between versatility and value.

The red dot sight is easily installed on an optics cut slide using the CT RAD footprint that is also compatible with the Docter footprint. Furthermore, it comes with an additional low-profile pic rail to mount it to most Mil-Spec Picatinny rails.

Another impressive thing about this tool is its stunning optical features. It has a crisp 5 MOA red dot reticle that is easy to spot even for users with aging eyes. Furthermore, it boasts a recessed and fully multi-coated lens with a large window for quick target acquisition.

Construction-wise,  the red dot sight is made with aluminum and optimized for durability. You can also depend on it to perform reliably in all weather conditions thanks to the IPX-7 water resistance integrity.


  • Anti-glare matte finish
  • 5 MOA reticle
  • LED illumination
  • Open emitter
  • Fully multi-coated optics
  • IPX-7 water resistance level
  • 10 adjustable brightness settings
  • Top accessible battery compartment
  • Shake Awake motion sensor technology


  • Durable
  • Affordability
  • Ease of installation
  • Convenient battery access
  • Battery and mounting hardware included

What is the Ideal MOA Size for Kimber Custom OI Red Dot Sight?

The ideal MOA (Minute of Angle) size for a Kimber Custom OI Red Dot Sight depends on various factors including individual preference, shooting application, and target distance.

In general, smaller dots of 3 MOA and below are preferred for precision shooting at longer distances or for shooting small-sized targets. They provide a finer aiming point and minimize target obstruction.

On the other hand, large dots of 5 MOA and above can be advantageous for faster target acquisition at closer ranges or in situations where speed is prioritized over precision. Large dots are also preferred for seniors and users with aging eyes as they are easier to spot.

Criteria for Choosing the Best Red Dot Sight for Kimber Custom OI

Here are the key factors to consider when shopping for a Kimber Custom OI red dot sight.


Compatibility is the first thing to take into consideration. Ensure the red dot sight is compatible with the mounting system of your Kimber Custom OI. Since this handgun features an optical sight cut directly into the slide, you’ll need a red dot sight that fits its specific mounting configuration.

Construction Quality

Look for a red dot sight that is built to last. It should be rugged and capable of withstanding recoil and harsh environmental conditions. The best red dot sight for Kimber Custom OI should also be waterproof, dustproof, and built for use in extreme temperatures.

Battery Life

Consider the battery life of the red dot sight and settle for a model that offers long-lasting performance. It will minimize the frequency of battery changes or recharging in the middle of use. Also, look for a model with efficient LED technology and adjustable brightness settings to conserve battery power when not in use.

Optical Quality

The next thing to look at is the optical quality of the red dot sight. Irrespective of the shooting application you plan to use the red dot sight for, it should have excellent optical clarity and a crisp-clear reticle. Models with features such as multi-coated lenses, parallax correction, and a wide field of view are recommended.

Size and Weight

It is also important to consider the size and weight of the red dot sight, especially if you value a compact and lightweight setup for your Kimber Custom OI. Choose a model that balances durability and performance without adding excessive bulk to the handgun.

Brightness Settings

A red dot sight with multiple adjustable brightness settings is the best. It will let you tailor the brightness of the reticle to match the ambient light settings and target background. We recommend a model with 8 or more brightness settings for the best red dot sight Kimber Custom OI.

Read Also


  • Is it worth putting a red dot sight on a handgun?

Yes. putting a red dot sight on a handgun helps shooters shoot more accurately no matter the lighting condition. These tools simplify the point of aim and speed up target acquisition while boosting the shooter’s confidence.

  • Does the Kimber Custom OI come with a mounting plate for the red dot sight?

Yes. Kimber Custom OI handguns typically come with a mounting plate compatible with popular red dot sight models.

  • Do red dot sights work at night?

Red dot sights provide a visible point of aim regardless of the lighting conditions. Most models also feature brightness settings that are compatible with night vision gear.

Final Words

In conclusion, there are plenty of great red dot sights for Kimber Custom OI and your shooting needs and preferences will dictate the model that you get. Ensure you invest in a quality red dot sight to enhance your precision and speed of target acquisition and to make the most out of every shooting expedition.