FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Questions & Answers
Will this work with Holosun 510c Featured Answer

yes this will work with any absolute co witness or lower 1/3rd co witness.

by KIRKN8R, Verified Owner, April 8, 2019
Will this magnifier work with a holosun hs506 ? Expert Answer

Yes, the magnifier will work with that red dot.

by Armando R., Gear Expert, March 13, 2020
Customer Reviews
Expert Review
Great glass for a reasonable price by Julia, Gear Expert, December 15, 2020
I've had this mounted for about a year now and really like it. Pairs well with a red dot for longer shots as well as for target identification for people with relatively poor vision like myself. Seems very durable, and I haven't had any issues with t...
Read More...
10/10 found this helpful
Helpful Positive Review Great glass at a good price! by Greg Knittel, Verified Owner, February 24, 2024
This is not my first magnifier but is my first from Holsun. I also have the sig Juliet 3x magnifier paired with a Romeo 4s red dot and a vortex 3x magnifier installed with a vortex red dot so I have the pleasure of being able to compare these three s...
Read More...
10/10 found this helpful
Helpful Positive Review Everything you need ... by Elzaar, December 19, 2023
I have an EOTECH holographic sight with two range dots for factoring elevation on my AR15 platform. I was looking to extend the range on my weapon out to maybe 500 meters (what the second dot adjusts for on standard loads). I researched multiple magn...
Read More...
2/2 found this helpful
Helpful Positive Review Quality product by Kreeba, Verified Owner, April 21, 2024
Clear viewing in compact design. Like the flip away feature. Makes for a convenient transition for up close viewing.
1/1 found this helpful
Helpful Positive Review It’s a Holosun by Paul N, Verified Owner, February 18, 2024
What can I say..it’s a Holosun and man it sure didnt disappoint. It’s very crisp and clear (for me) and I LOVE how I barely notice the circle rim of the dept adjuster when looking down my sights. Btw, it’s pared with Sig Sauer ROMEO4S and it makes it...
Read More...
3/3 found this helpful
Helpful Positive Review Decent Magnifer by Pat Brewer, Verified Owner, March 3, 2024
This is certainly a really good magnifer and a great compliment to any optic, not just a Holosun optic. I really like the flip to either side availability this mount offers. I really like the fact this magnifier comes with a mount, some do not. It...
Read More...
1/1 found this helpful
Read All 113 Reviews

Best Rated Product

Our customers have spoken – this is one of the best rated products in the Red Dot Sights & Accessories category! See more best rated Red Dot Sights & Accessories products
Included Accessories: QD Mount and Spacer Height: 2.4 inColor: Black Condition: New

Code: 28Y-RDM-HM3XTRDM-HM3X

MPN: HM3X

UPC: 605930625271

List: $235.28Save 15%
$199.99
Free shipping* & free returns*

Product Info for Holosun HM3X 3x Red Dot Sight Magnifier

The HM3X is an aluminum bodied 3X magnifier designed for use in conjunction with a red dot sight. The HM3X is feature-packed and includes a quick release, ambidextrous, flip-to-side Picatinny rail mount. Holosun includes a spacer with the HM3X that provides compatibility with absolute and lower 1/3 co-witness dot heights for maximum compatibility. The HM3X has a generous 2.75” of eye relief, is IP67 certified water resistant, and includes windage and elevation adjustment for precision zeroing to your optic’s zero. The HM3X also includes a built-in flat driver tool for easy adjustments.image

Specifications for Holosun HM3X 3x Red Dot Sight Magnifier:

Manufacturer: Holosun
Finish: Aluminum
Magnification: 3 x
Eye Relief: 2.75 in
Length: 3.9 in
Weight: 9.8 oz
Field of View, Linear: 37 ft at 100 yds
Field of View, Angle: 7 degrees
Weather Resistance: Yes
Fabric/Material: Aluminum
Included Accessories: QD Mount and Spacer
Width: 1.6 in
Height: 2.4 in
Color: Black
Operating Temperature: -22 - 140 Fahrenheit
Exit Pupil: 0.29 in
Diopter Adjustment Range: -3 - 3 dpt
Condition: New
Water Resistance Level: IP67
Lens Material: Optical Glass
Storage Temperature: -40 - 158 Fahrenheit
Magnification Type: Fixed

Features of Holosun HM3X 3x Red Dot Sight Magnifier:

  • Flip to the Side design
  • Outstanding Specification & Clarity
  • QD Mount and Spacer Included
  • IP67 Certified
  • Compatible with Absolute and Lower 1/3 Height Optics

Package Contents:

  • Holosun HM3X 3x Red Dot Sight Magnifier
  • QD Release Mount
  • T10 L Key
  • User Manual

Holosun HM3X 3x Red Dot Sight Magnifier Orderable Models

List of Orderable Models

Holosun HM3X Red Dot Magnifier, 3X, Integrated QD Mount w/Optional Spacer, Black, HM3X , MPN: HM3X , UPC: 605930625271 , Code: 28Y-RDM-HM3XTRDM-HM3X
Compare (0)