5 Best Red Dot for HK SP5K PDW

Several personal defense weapons offer outstanding performance and reliability in different shooting scenarios and the SP5K PDW is one of them. This 9mm pistol is modeled after the MP5K and in this post, we shed more light on the best red dot for HK SP5K PDW.

A red dot sight on an SP5K PDW is always a good idea. This special type of sighting tool allows shooting with both eyes open for maximum situational awareness. Furthermore, red dot sights have for practical reasons, a wide field of view and infinite eye relief which enable rapid target finding and acquisition.

However, knowing which model to pick for the HK SP5K PDW is no mean feat. This is due to the plethora of options available out there. Luckily, we are here to lend a hand. We have compiled a list of the best red dot optics for this popular handgun to help you find a model that will improve your accuracy and make shooting in all light situations much easier. But first, let’s begin by taking a look at the attributes that make a great red dot for HK SP5K PDW, shall we?

What Makes a Great Red Dot for HK SP5K PDW?

A great red dot for HK SP5K PDW is made of several attributes that include:

Crisp Aiming Point

Firstly, the red dot sight should have a clear point of aim that is optimally illuminated. This enables speedy shot placement with enhanced accuracy even in low-light situations.

Solid Construction

Furthermore, the red dot optic should be built with durability in mind. The chassis needs to be made with hard-wearing materials. It should also be fully waterproof, fog-proof, and shockproof.

Coated Glass

The best red dot for HK SP5K PDW should have anti-reflective lens coatings for fighting glare and ensuring high levels of light transmission.

Long Battery Life

It is also vital for the red dot optic to have a long battery life. This ensures continuous use and reliable performance during lengthy shooting periods.

Adjustable Brightness Settings

A great red dot optic should also have, for practical reasons, adjustable illumination settings. In the field, this gives you the ability to customize the reticle depending on the target background and ambient light conditions.

Best Red Dots for HK SP5K PDW  – Top Picks

The following are the best red dots for HK SP5K PDW worth your consideration. Let’s take a look.

1) Trijicon SRO MOA Red Dot Sight – Best Overall

best red dot for HK SP5K PDW



The Trijicon SRO MOA Red Dot sight is a perfect optic for improving your aim in target shooting or competitive settings. It harbors a myriad of advanced features that make it the best red dot for HK SP5K PDW.

A defining feature of this red dot optic is the nature of construction. It is protected by a rugged 7075 aluminum chassis that enables use in any environment or situation with ease. Furthermore, it is waterproof and submersible to 10ft for added protection.

The large, unobstructed field of view makes target finding quick and easy in any environment. It is complemented by the crisp dot reticle that is incredibly accurate. What’s more, this red dot sight has 8 brightness settings with a lock-in mode that secures the settings and prevents accidental adjustment during use.

Above all, the Trijicon SRO MOA Red Dot is crafted with ease of installation in mind and is compatible with suppressor height iron sights.


  • Waterproof to 10ft/3m
  • Button lock-in mode
  • Clear, crisp 2.5 MOA dot
  • Top-loading battery compartment
  • LED illumination
  • 1 MOA adjustment click value
  • 8 brightness settings
  • Rugged aluminum chassis


  • Long battery life
  • Large, unobstructed field of view
  • Easy battery access
  • Accurate and reliable
  • Sturdy and durable construction


  • Expensive

2) Sig Sauer Romeo5 1x20mm 2 MOA Red Dot Sight – Best Budget

best red dot for HK SP5K PDW



When it comes to value and versatility, the Sig Sauer Romeo5 1x20mm 2MOA Red Dot Sight is hard to beat. It delivers speedy target acquisition and an accurate shooting point for enhanced precision in any situation.

This red dot sight operates in all light settings with eight adjustable illumination settings for daylight use and two for night vision. This makes the 2 MOA reticle easy to spot and guarantees unmatched accuracy  at any distance.

With a long battery life of up to 40,000 hours, this red dot sight enables continuous operation all through. It is compatible with a wide range of mounting options and is very easy to install and remove from the firearm.

What’s more, it is fully waterproof and fog-proof for optimum performance in any environment. It is also designed and built with durability in mind to withstand abuse and scatter handgun recoil effectively.


  • Waterproof and fog-proof
  • Integrated M1913 Picatinny interface
  • 2 MOA red dot reticle
  • Motion-activated illumination
  • 10 brightness settings
  • High-quality glass


  • Easy to adjust
  • Compact and lightweight
  • Affordable
  • Solid construction
  • Night vision compatible


  • Unprotected turrets

3) Holosun HS510C Reflex Red Dot Sight – Best with Multi-Reticle System

Holosun HS510C



This Holosun HS510C Reflex Red Dot Sight employs cutting-edge technology and other innovations that are hard to find in any other red dot sight. It is accurate, durable, and ideal for use in virtually all environments.

Built with a streamlined housing design and an open frame, this red dot optic provides a wide-sight picture with minimal obstruction of vision. What’s more, the protective titanium alloy hood is waterproof to 1m and durable enough to endure recoil from the heaviest calibers.

Furthermore, the red dot sight has a multi-reticle system that allows you to choose the 2 MOA dot, 65 MOA circle, or both depending on your individual preference. You can also create a customized shooting experience for your range training adventures using the 12 brightness settings.

Another impressive thing about this red dot sight is its battery life. It features solar cells and a high-capacity battery which work together to provide dual power supplies. A Shake Awake technology is also included to preserve battery life by powering it on when it senses motion and shutting down when not in use.


  • Infinite eye relief
  • IP67 waterproof rating
  • Multi-coated optics
  • 5 MOA adjustment click value
  • 12 brightness settings
  • Solar cells
  • Motion sensor with Shake Awake technology
  • Parallax-free optical design
  • Titanium alloyed protective hood
  • Multiple reticle system


  • Durable and well-built
  • Long battery life
  • Large window
  • Clear sight picture
  • Ease of use


  • Spacer not included

4) Aimpoint Micro H-2 1 x18mm 2 MOA Red Dot Reflex Sight – Best for Money

Aimpoint Micro H-2



Next on our list of the best red dot for HK SP5K PDW is Aimpoint Micro H-2 1 x18mm 2 MOA Red Dot Reflex Sight. This red dot optic is here to help you acquire targets with stunning accuracy with your favorite firearm.

It is housed in high-strength aluminum for maximum durability. Moreover, the robust construction is complemented by waterproof protection so you can go shooting in any weather. It is also lightweight to ensure that it does not add unwanted weight to the pistol.

Optically, the red dot sight has multi-layer optical coatings that provide clear and bright images. This coupled with the crisp 2 MOA red dot reticle will enhance your shooting precision and ensure that you acquire targets seamlessly.

Well, that’s not all. This red dot sight provides precise customization of the reticle with 12 adjustable brightness settings. It also brings to the table reinforced turret protection for greater ruggedness in extreme shooting environments.


  • Waterproof and submersible to 15ft
  • Rugged and durable construction
  • Semi-matte anodized finish
  • High-strength aluminum housing
  • Reinforced turret protection
  • Infinite eye relief
  • 5 MOA adjustment click value
  • 2 MOA dot reticle
  • Multi-coated optics
  • 12 brightness settings


  • Rugged and durable construction
  • Superb optics
  • Decent battery life
  • Small profile


  • Price

5) Vortex Crossfire Red Dot Sight – Best for Beginners

Vortex Crossfire



Our last recommendation of the best red dot for HK SP5K PDW is Vortex Crossfire Red Dot Sight. Vortex Optics is a brand that is committed to making high-quality and cost-friendly optics and this is clear with the Crossfire red dot sight.

This unmagnified aiming device is made with ease of use in mind to accommodate every user out there, including beginners. It has a crisp 2 MOA aiming point suitable for close and mid-range shooting engagements. Even better, the reticle is bright enough to promote rapid target engagement of nearby targets, yet fine enough to enhance shooting accuracy at a distance

When it comes to construction, this red dot sight is made with durability in mind. It has an aluminum housing with a non-reflective anodized finish that safeguards it against scratches and rust. Moreover, it is O-ring sealed to exclude dust, moisture, and any other debris.

The eye relief is also admirable. It is unlimited to maximize glassing comfort and aid in rapid target finding. Over and above that, this weapon sight features parallax-free optics and fully multi-coated lenses that are responsible for fighting glare and ensuring high levels of light transmission.


  • Unlimited eye relief
  • 2 MOA red dot reticle
  • 100 MOA windage and elevation adjustment
  • Parallax-free optics
  • Non-reflective anodized finish
  • Aluminum construction
  • O-ring sealed waterproof housing
  • Fully multi-coated lenses
  • 11 brightness settings
  • 1 MOA adjustment click value


  • Compact and ultra-light
  • Easy to use
  • Reasonably affordable
  • Compatible with night vision
  • Bright and crisp clear reticle


  • Quality issues

See Also

Benefits of Red Dot Sights

Accessorizing your HK SP5K PDW with a red dot sight comes with plenty of benefits that include:

Enhanced Accuracy

The primary benefit of red dot optics is enhanced accuracy. These weapon sights provide a simple point of aim for precision shooting in all situations.

Rapid Target Acquisition

With a red dot sight, you will have an easy time finding and acquiring your targets. This is thanks to the infinite eye relief and large field of view these optics provide.

Both Eyes Open Shooting

Red dot sights enable shooting with both eyes open. For practical reasons, this is important as it provides a significant tactical advantage by increasing situational awareness.


Red dot sights are one of the most versatile weapon sights out there. They are suitable for a plethora of shooting applications at close and medium ranges.

Low-Light Performance

Another benefit of the best red dot for HK SP5K PDW is enhanced low-light performance. Thanks to the adjustable brightness settings, many red dot sights are effective in either favorable or poor light environments.

Criteria for Choosing the Best Red Dot for HK SP5K PDW

Whether you are looking to buy a red dot HK SP5K PDW for the first time or you are in the market for an upgrade, here are the important things to take into consideration.

Intended Purpose

This is the first thing to consider. Do you want to use the red dot for hunting, range shooting, self-defense, or any other application? Different red dot optics excels in different scenarios so it is important to pick a model that is specifically optimized for your intended application.

Size and Weight

Red dot sights are generally compact and lightweight. However, the size varies from one product to the other. For the best red dot for HK SP5K PDW, opt for a compact model with a low profile. It is also important to get one that is ultra-light so it doesn’t add unnecessary weight to your handgun.


Solid and durable construction is what sets apart a quality red dot sight from a cheap one. Look at the nature of construction and settle for a product that is made with longevity and durability in mind. Models that are fully waterproof, fog-proof, and shockproof are also preferable to add on durability.

Brightness Settings

The brightness setting in red dot sights is adjustable to enable confident aiming in all light settings. We recommend that you opt for a model with at least eight brightness settings. if you intend to use the red dot optic with night vision gear, pick a model that has night vision-compatible settings.

Battery Life

It is also important to consider battery life. Long battery life is essential for the best red dot for HK SP5K PDW. It will keep the red dot illuminated and ensure continuous use no matter the period you will be shooting.


Last but not least, consider the price of the red dot sight. As technology advances, red dot sights have become more affordable. As such, you don’t have to spend a fortune to invest in a quality model for your handgun. Determine how much you can afford and look for a model that fits that budget.


  • Do I need a red dot sight for my HK SP5K PDW?

Yes. Using a red dot sight with the HK SP5K PDW will help you shoot more accurately even in the most challenging situations. A red dot sight is also important as it helps one acquire targets smoothly and quickly.

  • What is the best red dot for HK SP5K PDW?

The best red dot for HK SP5K PDW is one that comes with every feature that you require for your shooting needs. These features include a clear reticle, infinite eye relief, and parallax-free optics in addition to robust construction and multi-coated lenses.

Final Words

It is without a doubt that a red dot sight can change how you shoot with the HK SP5K PDW for the better. All five products we have mentioned above have all the basic features that you need to take your handgun shooting a notch higher. Look at the specs and attributes that make each the right purchase and choose accordingly.