Check out our top picks for the best micro red dots under $400. These sights are favorites for use on handguns, rifles, and shotguns and have been thoroughly tested and proven to perform flawlessly.
Micro Red Dots Under $400 [Updated 2024]
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HoloSun 507C X2 - Best Overall
The Holosun 507C X2, an updated model in the series, features convenient side battery loading, just like its counterpart, the Trijicon RMR. This model stands out as one of Holosun's finest offerings.
One of its key features is its enduring power. The sight boasts an impressive battery life exceeding 100,000 hours. Plus, its Solar Failsafe technology ensures the sight remains operational even if the battery falters, keeping you prepared for longer.
Compatibility is also a strong point of the 507C X2. It shares the RMR mounting footprint, eliminating the need for special mounts.
Moreover, its Motion Activated Reticle technology, Shake Awake, activates the reticle with movement and turns it off when idle, conserving battery life.
Check out the new Holosun 507C with ACSS Vulcan reticle that helps with re-centering the reticle if lost in the window. To learn more here
Read Detailed 507C X2 Review Here
Holosun 507K X2 - Best For Sub Compact Guns
If you like the full size 507C, then this Holosun 507K X2 is the the smaller version for concealed carry use
Snag free holster draw performance - The rugged exterior housing can withstand wear against clothing, so no snag hazard when drawing out of any IWB or OWB holsters.
Activates via motion sensor - Holosun ShakeAwake technology instantly activates the reticle upon any motion & it saves battery by deactivating the reticle while in rest.
Recoil proven - The sight can handle +P ammo without any issue. No worry of optic turning off or battery compartment getting loose.
Simple battery change without hassle - The 50k hrs long lasting CR1632 battery (On setting 6) can be accessed from the side tray instead of the bottom, which eliminates the need to remove the sight for a battery change.
Vortex Venom - Lowest Profile Sight
The Vortex Venom sits low on handguns and the lens is much more durable for hard use even it doesn't look like it.
Low Profile - Compact size red dot sits low on the slide and it works for holsters made for high retention.
Clean Dot - 6 MOA size reticle works the best for people with astigmatism, and it appears much rounder and less starburst when crank up the brightness
Super Strong Low Profile Sight - Weighing only 1.1 oz built with rugged aluminum housing, enlarged lens window with multi-coated material to increase light transmission
Large Field of View For Better Situational Awareness - Unlimited eye relief for rapid target acquisition along with parallax-free red dot that makes you shoot faster and more accurate on the clock
Swampfox Justice - Tapered Large FOV
Why we picked this one - The Swampfox Justice features an unique tapered FOV window profile while using the same R M R footprint.
Shake Awake - Optic stays on for up to 4+ years, and it features motion sensor technology to save even more battery juice
Track The Dot Better - Slightly more window room to find the dot
Top Loading Battery - It's the same user friendly battery compartment design as the Trijicon SRO
Burris Fastfire III - Lightest Weight
After trying many micro open emitter red dot sights, the Burris Fastfire 3 offers large MOA dot sizes beyond just 3 and 6 MOA. The 8 MOA is a great option for shooters with astigmatism, and it's super lightweight for any shooting applications especially competition shooting.
It's designed to be compatible with most optics-ready handguns, enhancing your ability to hit targets more accurately. This increased precision can be crucial in winning your next shooting match, making the FastFire III a smart investment for competitive shooters seeking to elevate their performance.
Nikon P-Tactical Spur - Best For Value
Image Referenced NIKON
The Nikon P Tactical Spur is a practical and affordable option for shooters, reminiscent of the optic attachment found in Call Of Duty Modern Warfare. It boasts a minimalistic yet durable design, featuring a wide 27mm field of view with multi-coated lenses, ideal for shooting with both eyes open.
Remarkably lightweight at just 1.1 ounce, it can endure the recoil of a tactical shotgun slug without losing its zero. One of its key features is the top-loading battery compartment, allowing for easy battery changes without the need to remove the sight, thus maintaining zero.
Constructed from lightweight 6061 T6 Aluminum, the Spur is not only shockproof but also aesthetically pleasing. It's versatile, suitable for rifles, PCC carbines, shotguns, and pistols, with its large field of view glass ensuring quick and efficient target acquisition.
Core Features To Look For
- Large Window - Allows faster speed on target as soon as the shooter picks up the sight, and it will provide more room to track the dot during fast follow-up shots.
- Recoil resistant - High G force during the slide cycle could throw off your zero. It's very important the sight is well built.
- Brightness Settings Adjustment - Pick an optic that lets you can adjust the dot brightness with a wide range of settings for daytime and nighttime use.
- MOA Red Dot Size - 1 to 2 MOA dot size is common on red dot sights for distance shooting with a finer dot, and 4 MOA or up is for close range.
- Strong Front Lens Frame - This allows the shooter to rack the slide easily against something for tactical reasons without damaging the lens.
For Angled Offset Use
An offset red dot sight lets the shooter shoot around corners and barricade by canting the rifle with much better flexibility.
