Holosun 403c 2 Moa Solar Red Dot Review
It is nigh time we review the Holosun HS403B Micro Ruby-red Dot Sight (MRDS).
Even though it took us a while to become to it, I call up you will be surprised to find how much value there is in one of our favorite budget red dot optics for rifle, carbine, and shotgun applications.
This budget-friendly optic has all the necessities and some standard additional technologies you lot have seen in other Holosun optics.
In the grade of this Holosun HS403 review, we outline the specifications forth with the features of this wallet-friendly red dot sight.
Plus, we will include a comprehensive expect at the technologies Holoson has included in this MRDS.
Finally, we volition embrace the pros and cons of the optic and what other shooters take to say about the sight.
Perhaps you already have all the information you lot need and are ready to pull the trigger.
Then go direct to Amazon.com to purchase this feature-rich budget carmine dot sight.
Click here to purchase the Holosun HS403B Red Dot Sight at Amazon.com.
Holosun HS403B Micro Crimson Dot Sight Review
The Holosun 403B is a tube-style micro red dot sight machined from lightweight T6 Aluminum. This optic weighs 4.iii ounces measuring 2.44 (in) x 1.eighteen (in) x one.45 (in). Target acquisition is achieved effortlessly through a crystal articulate 20mm objective lens and crisp single 2 MOA red dot reticle. The 403B operates on a unmarried CR2032 lithium coin bombardment providing an estimated 50,000-hour battery life using the mid-effulgence setting. Cost and quality make the Holosun 403B an excellent red dot sight selection for rifle, carbine, and shotgun for the nether $200 price range.
Headquartered in Walnut, California, Established in 2013, Holosun has since built a reputation for building full-featured red dot optics with innovative technologies. Since its foundation, Holosun has continued to add value oftentimes at the request of its customer.
Holoson's 403 line of micro-optical sights consists of several models of upkeep-friendly options that however incorporate some of the industry'southward best features and quality.
Lesser Line Up Front
The Holosun 403B Micro Scarlet Dot Sight carries the same Holosun quality and innovations equally its other eyes at a budget-friendly price. This optic is suitable for a wide range of applications and is an first-class option at this market place price point.
Holosun's 403 series optics come in several configurations, with the HS403B representing the virtually straight forward simple design. The optic is easy to put into action with a shallow learning curve.
HS403B mounted on a carbine
Any skill level of shooter tin be putting rounds are target inside an hour or two with the HS403B sight.
Top Features of The Holosun HS403B Scarlet Dot Sight
Pattern
The HS403B is a tube-manner cherry dot sight milled from 6061 T6 Aluminum stock. The use of T6 allows for lightweight yet strong housing.
The 403B weighs in at only 4.3 ounces.
This optic is finished with a matte black Micro-arc oxidation (MAO) cease to produce a dense oxide motion picture that protects the aluminum blend from corrosion attack.
Inquiry shows that the MAO technique has demonstrated greater bonding capabilities than many other aluminum surface treatment techniques.
This ensures a highly resilient coating that resists scratches and protects the aluminum housing for an extended duration.
From a contour perspective, the Holosun Paralow HS403B is on par with other ruby-red dot optics in its grade.
The sights dimensions are ii.44 (in) ten 1.18 (in) 10 1.45 (in) with a 20mm bore window size providing a compact scarlet dot sight with a more an adequate field of view necessary for situational awareness and rapid multi-target conquering situations.
The 403B toutes an Ingress Protection Code of IP67, which means the unit tin be dropped into a torso of water upwards to a meter deep for half an 60 minutes.
This red dot is also resistant to grit. An IP67 rating makes the optic water-resistant suitable for operation in but near whatever environment y'all find yourself.
RETICLE
If you are familiar with Holosun reticles, then y'all know that nearly of their optics come up with their proprietary multiple Multiple Reticle Arrangement. This is non the case with the 403 micro-optical sight series.
Holosun'south HS403B comes with a scarlet super led illuminated unmarried ii MOA dot reticle. The reticle has 12 effulgence settings. Ten of those settings are considered daylight settings, with 2 of the settings reserved as night vision compatible.
The range of brightness options ensures that the reticle is observable under diverse ambient lighting conditions.
Looking for a unlike reticle color in the Holosun 403 series, then you can bank check out these other 403 series variants:
The HE403B-GR is a Holosun Elite series variant of the HS403B with a green super led illuminated single ii MOA dot reticle.
Holosun's elite series variant is milled out of a Titanium blend instead of T6 Aluminum stock and carry the Holosun Aristocracy warranty.
The HE403R-GD is a Holosun Elites series variant of the HS403R with a gold super led illuminated single 2 MOA dot reticle.
The 403R models operate the same as the 403B model except uses a side-mounted rotary switch instead of elevation-mounted buttons for settings and adjustments.
OPERATION
Battery life for the HS403B blood-red dot sight has been reported in several places equally 100k hrs.
We don't believe that this is realistic since the optic is powered past a single CR2032 3v lithium money cell blazon battery.
But, since this is powering a super LED, you are likely to detect a 50k hrs battery life while operating the optic on the level six or 7 effulgence setting.
This is even so a fantastic battery life and will ensure that your cerise dot sight is ready when you need it.
The Holosun 403B is straightforward to operate. Turning the sight off/on, adjusting brightness, and other available settings are accomplished with 2 height-mounted buttons.
The Holosun 403 series has a side mount battery tray
To plough on the blood-red downward sight, printing and release either push button. If you lot need to arrange the brightness, you just press the "+" or "-" push to the desired intensity.
The default brightness setting for this cherry dot sight is 7.
To ability the sight off, all you lot accept to do is press both buttons simultaneously. The sight will call back the last brightness setting before powering down.
If you are not fond of the button style operation of the 403B then Holosun makes the 403R variant.
The 403R models operate the same as the 403B model except uses a side-mounted rotary switch instead of superlative-mounted buttons for settings and adjustments.
Holosun Milkshake Awake
The HS403B includes Holosun'due south Shake Awake feature. This move-sensing engineering science is on past default when you plough on your optic. Yous can adjust the slumber delay from 0 to 12 hours of no movement for your ruby dot sight to enter sleep mode.
Once in sleep mode, the sight volition instantly wake up and turn to the concluding setting with the detection of any motion.
This is a swell feature that volition extend your battery life and keep your sight ready for an engagement at all times.
Sighting adjustments are made via a top-mounted elevation adjustment knob and a side-mounted windage knob.
Screw-on lids protect both adjustment knobs. The maximum aligning for both the height and windage is +- l MOA with a 0.5 MOA adjustment per click.
MOUNTING
The Holosun Paralow HS403B comes with both a low profile mount and a lower ⅓ co-witness mount.
These mounts are Picatinny rails compatible and utilize a crossbolt clamp style mounting arrangement. The clamp screw is adjusted using the provided T10 Torx L-Key wrench.
The low mount is perfect for shotgun applications and carbine setups where no iron sights are nowadays.
For your long rifle applications that require occasional use of iron sights, use the lower ⅓ co-witness riser.
We suggest using a non-permanent thread locker and tightening the clench spiral to 15 in/lbs when mounting.
DETAILS
Included with your buy:
Need a re-create of the HS403B user manual? Y'all can get information technology here.
Other Great Features of The Holosun 403B
Holosun uses a multilayer reflective glass manufactured using optical glass with multilayer coatings that reduce glare and facilitate maximum calorie-free transmission and wear resistance.
The HS403B has been designed to project its aiming dot to prevent visibility when viewed from the front end beyond several meters. This feature reduces shooter signature, which can come in handy under a multifariousness of shooting situations.
This optic comes with the Holosun Limited Lifetime Warranty.
"Your Holosun product is warranted to be free of defects in materials and workmanship with the Holosun Limited Lifetime Warranty. This warranty applies to the first owner upon registration of the production. This warranty specifically applies to the metal structure of the production housing and does not apply to the optical and illumination systems. The optical glass is covered by a 5-year warranty. The illumination organisation including electronics and LED is covered past a 3-year warranty. Included batteries are not covered nether warranty"
A side bombardment mounting tray allows for like shooting fish in a barrel access when replacing the battery.
Specifications For The HS403B Red Dot Sight
| Reticle | 2 MOA Dot only |
| Brightness Setting | 10 DL & 2 NV |
| Light Source | Super LED |
| Magnification | 1X |
| Unlimited Centre Relief | Yes |
| Parallax Gratuitous | Yes |
| Multi-Coatings | Yes |
| Bombardment Type | CR2032 Lithium Coin |
| Battery Life | 50,000 hrs |
| Aligning per Click | .5 MOA |
| Windage Adjustment | ±50 MOA |
| Elevation Aligning | ±50 MOA |
| Storage Temperature | -forty°C~70°C |
| Working Temperature | 30°C~threescore°C |
| Submersion | IP67 |
| Housing Material | T6 Aluminum |
| Surface Cease | Micro Arc Oxidation |
| Housing Color | Matte Blackness |
| Weight (oz) | ii.82 westward/battery |
| Window Size | 20mm Diameter |
| Dimension (in) | ii.45"x1.43"x1.6" |
Pros vs. Cons of The HS403B
The Pros
Holosun's 403B carries the quality and toughness associated with other Holosun products. The sights apply of loftier strength aluminum alloy and proven internal electronics will serve a shooter in varying environments.
This crimson dot sight comes with two different mount options, and so you don't have to purchase boosted mount solutions for most applications.
The 403B is priced right, allowing you lot to put a loftier-quality optic on your favorite platform for around USD 200.00.
The optic incorporates Holosun Shake Awake technology along with 50k hrs of battery life, ensuring that your optic is ready and illuminated when you demand information technology.
The Cons
The Holosun HS403B doe not come with the Solar Failsafe technology.
If you want an optic with the Holosun Solar Failsafe technology, endeavor the HS403C and HE403C-GR variant, which includes the same features as the 403B but includes the Solar Failsafe characteristic by moving the operating buttons to the side of the optic.
The Holosun 403 series does not come up with the Holosun Multiple Reticle Organisation and merely includes a single two MOA dot.
Best Place to Buy The Holosun HS403B
Nosotros recommend purchasing the Holosun HS403B Micro Red Dot Sight from Amazon.com. Get a great price and fast shipping! You will also discover even more than details, ratings, questions, and answers about this red dot sight.
Click here to purchase the Holosun HS403B Micro Scarlet Dot Sight at Amazon.com.
Customer Feedback
The Holosun HS403B has 4.6/5 stars, 82% of the reviews for this optic at five stars, and over 460 ratings.
Easy to install: Very bright dot, piece of cake to install, piece of cake to arrange, and easy to operate
Battery Life: battery life is bonkers. The battery life is more than y'all would expect. No disappointments
Value for coin: Buy it- It's a no brainer! I was totally blown away by the quality of this production and at an unbelievable price point.
Variations
The Holosun 403 series of optics has several variants around the aforementioned price point, so it might be worth looking to get all the features you lot desire.
403B vs 403C vs 403R
| Dot Colour | Operation | Solar | |
| HE403B-GR | Green | Button | No |
| HS403C | Red | Button | Yes |
| HE403C-GR | Green | Button | Yes |
| HS403R | Red | Rotary | No |
| HE403R-GR | Gilded | Rotary | No |
Alternative Red Dot Sights
If you are looking for an alternative to the Holosun 403, we recommend the Sig Sauer Romeo five. You will get a similar optic with fewer features and a slightly lower price.
Another option at this price bespeak would be the Vortex Crossfire; again, you will become a similar optic with fewer features at a slightly lower price.
Be sure to check our other reviews and guides at reddotsightreviews.com.
Source: https://www.reddotsightreviews.com/holosun-hs403b-review/
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