In this Holosun HM3X magnifier review guide, let's take a look at its core specs, glass quality, durability and overall feel.
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- Magnification - 3X
- Objective Lens Diameter - 24mm
- Eye Relief - 2.75"
- Mount Type - QD (non 30mm ring)
- Angular FOV - 6.25 deg
- Linear FOV - 37ft @ 100 yrds
- Length - 3.9"
- Waterproof - IPX67
- Weight - 11.6 oz
Holosun ships the HM3X in a very nice packaging just like all other Holosun products.
- Holosun HM3X magnifier (QD Mount included)
- 2 Riser plates
- 2 tall screws for riser plate
- 2 short screws
- Diopter lens cap
This thing is just rock solid. I don't think there is any other high quality 4X red dot magnifier at this price range.
The spring tension on the side flip is sturdy and tight to go on any carbine top rail.
The package comes with just 1 riser plate for raising the scope height up to 1/3 co witness but not enough for tall height red dots.
Mid - Long Range
This red dot magnifier scope improves target ID and finer dot aiming placement especially when using a 1 MOA dot.
Shooters with astigmatic eye can finally see a much clearer dot (as long as the diopter ring is properly adjusted)
Just tuck the 4X magnifier to the side and resume to 1X red dot.
Finer Zeroing Process
Finer red dot zero when your reticle is magnified for a better view
Magnification & Glass Quality
The glass quality is superb. If the red dot sight has tint, then the shooter will see the tint through the glass. If not, then it will be very clear.
Before any magnifier glass review, we always dial the diopter ring first to focus the image relative to the shooter's eyesight. It's an important step to do.
The diopter is hidden under the lens cover cap. Just remove it and get access to the ring dial.
~ 724 ft (241 yard)
The 4X magnification is not much different than a 3X magnifier, and it's is a great tool for positive target identification during the day and night.
As long as the diopter ring is adjusted relative to the shooter's eye sight, it's good to go!
Lens tint comes from the Aimpoint Micro, please don't be misled by this picture
Leupold LCO has no lens tint
The eye relief distance is very good. Anytime when bring the optic to the eye, it doesn't have anything that bothers the shooter as long as the optic height is adjusted.
Move a bit back, or move a bit forward will not induce too much scope shadow.
What we like the most is its slim outer body that doesn't obscure the view.
However, the shooter still needs to place the eye inside the eye box, and keep centered as much as possible. Otherwise the scope shadow will occur.
Overall Build Quality
The construction feels very solid. The mounting extrusion and the body is one piece.
Magnifier tucked to the right
Magnifier tucked to the left. Just reverse mount the optic.
Note: The QD lever will be on the opposite side
The overall size is longer than these popular Vortex Micro 3X magnifiers on the market.
It will be interesting to see when Holosun will release a much more compact 3X model for anyone looking for a compact design.
QD Throw Lever Mount
Very Rock Solid ! No Compliant
The QD throw lever has a locking mechanism to prevent the lever from letting loose.
The user can also tighten the screw to add tension to the QD lever if it's loose.
The throw lever also doesn't stick out compared to those American Defense alike throw lever that come with Vortex Micro 3X and other optics, so it should not interfere with top receiver charging handle finger grip.
- Very rock solid 3X magnifier from Holosun
- Great glass clarity
- Non obscuring POV lens body
- Mount risers included
- Aesthetics can be improved (Subjective to personal preferences)
- Taller riser plates are not included for red dot placed at 1.93" height
- Doesn't work with those bad ass Unity Tactical FTC G33 magnifier mount)
See other similar 3X magnifiers: Vortex Micro 3X