MAIN MENU
Reviews5 STAR REVIEWSOver 2k Reviews on Trustpilot
GuaranteeEXCHANGE GUARANTEE60 day scope out guarantee
DeliverySPEEDY DELIVERYFast delivery on in-stock items
Price MatchPRICE MATCHSeen it Cheaper? We'll try to match it!
SKU#HM3XT Holosun
In Stock

Holosun HM3XT 3x Micro Titanium Magnifier with QD Flip to Side Picatinny Mount

1 in stock
Price shown excludes VAT. The applicable VAT rate for your delivery country will be calculated and added at checkout.

The Holosun HM3XT is the “premium” version of Holosun’s 3x magnifier, built with a titanium body to shave weight and add extra durability without overcomplicating anything. It pairs with your red dot to give you instant 3x magnification when you need to stretch distance, then flips out of the way in a second for close work. The glass is clean, the eye relief is forgiving, and the quick-detach flip-to-side mount makes transitions smooth and simple. It’s basically a tougher, slightly more refined HM3X for people who want a solid magnifier that can take abuse and still stay lightweight on the rifle.

-Nathan (Technical Advisor)

images/assets/qty-minus.svg
images/assets/qty-plus.svg
images/assets/pdp-refresh/delivery-clock.svg We aim to dispatch in-stock items to our Ireland-based Logistics Warehouse for EU dispatch within 1-3 working days. images/assets/pdp-refresh/UK-retailer.svg Authorised UK Retailer
WHY BUY FROM US?
EU PRICE MATCH
OPTICS GUARANTEE
NO IMPORT FEES
14 DAY FREE RETURNS
EXPERT SUPPORT
OPW REWARD POINTS
images/assets/benefits-price-match.svg
Product Information FIND OUT MORE
DESCRIPTION
The HM3XT is a premium titanium-bodied 3X magnifier engineered for seamless use with red dot sights, elevating your shooting experience with its precision and versatility. Designed with the user in mind, it boasts a robust feature set, including a quick-release, ambidextrous, flip-to-side Picatinny rail mount, enabling effortless switching between magnified and unmagnified views. This adaptability ensures rapid target acquisition and enhanced accuracy in dynamic shooting scenarios.

Holosun enhances the HM3XT with a spacer that ensures compatibility with both absolute and lower 1/3 co-witness dot heights, maximizing its adaptability to various setups. This thoughtful inclusion means you can easily integrate the HM3XT with a wide range of optics without compromising on performance or convenience.

The magnifier offers a generous 2.75” of eye relief, providing a comfortable viewing experience that reduces eye strain during extended use. Its IP67 certification guarantees robust water and dust resistance, making it a reliable companion in harsh environments and adverse weather conditions. Whether you're in the field or at the range, the HM3XT is built to withstand the elements and deliver consistent performance.

For precision shooters, the HM3XT features windage and elevation adjustments, allowing fine-tuning to match your optic’s zero perfectly. This ensures that your shots are consistently on target, enhancing accuracy and confidence in every shot. Additionally, the built-in flat driver tool streamlines the adjustment process, making it quick and straightforward to achieve optimal alignment.

The HM3XT is not just a magnifier; it’s a comprehensive enhancement to your shooting setup, designed to deliver exceptional performance and reliability. With its high-quality construction, thoughtful design, and user-friendly features, the HM3XT stands out as a top choice for shooters seeking to improve their precision and versatility. Whether for professional use or recreational shooting, the HM3XT promises to elevate your shooting experience to new heights.
SPECS
PHYSICAL SPECS
  • Window Size    N/A
  • Dimension (in)    4 x 1.7 x 2.5
  • Weight (oz)    9.8
MECHANICAL SPECS
  • Housing Material    Durable Aluminum
  • Surface Finish    MAO
  • Adjustment per Click    N/A
  • W&E Travel Range    N/A
ENVIRONMENT SPECS
  • Storage Temperature    -20℃~65℃
  • Working Temperature    -20℃~51℃
  • Submersion    IP67
  • Vibration    1000G
FEATURES
HM3XT 3x Magnifier
The HM3XT is an aluminum bodied 3X magnifier designed for use in conjunction with a red dot sight. The HM3XT is feature-packed and includes a quick release, ambidextrous, flip-to-side Picatinny rail mount. Holosun includes a spacer with the HM3XT that provides compatibility with absolute and lower 1/3 co-witness dot heights for maximum compatibility. The HM3XT 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 HM3XT also includes a built-in flat driver tool for easy adjustments.
WHAT'S IN THE BOX
  • Holosun HM3XT 3x Micro Aluminium Mangifier
  • QD Flip to Side Picatinny Mount
  • QD Release Mount
  • T10 L Key
  • User Manual
FREQUENTLY ASKED QUESTION(S)

1. What is the HM3XT used for?
It’s a 3x magnifier that works behind a red dot sight to extend your effective shooting range.

2. What makes it different from the HM3X?
The HM3XT uses a titanium housing instead of aluminum, making it lighter and more corrosion-resistant while keeping the same core optics.

3. Does it flip to the side?
Yes, it uses a quick-detach flip-to-side mount so you can instantly switch between 1x and 3x views.

4. Does it hold zero with your red dot?
Yes, once properly aligned, it returns to the same position when flipped back into place.

5. What eye relief does it have?
Around 2.7 inches (about 65–70 mm), which is comfortable for most rifle setups.

6. Is it heavy?
It’s relatively light for a titanium magnifier, roughly around 10–11 oz depending on mount setup.

7. Does it need batteries?
No, it’s purely optical—no electronics or power required.

8. Is it compatible with all red dots?
It works with most standard red dots on Picatinny rails.

9. Is titanium actually a big upgrade over aluminum?
It’s more about durability and corrosion resistance than performance—it’s a premium material choice, not a performance jump.

10. Is it worth it over the HM3X?
If you want lighter weight and a more premium build, yes. If you just want performance per dollar, the HM3X is usually the better value.

WARRANTY
DELIVERY & RETURNS
Shipping to Europe

Delivery costs & estimated arrival

Find your country below for the delivery charge and how long your order should take to reach you. All orders ship with FedEx. Estimates are in working days and exclude weekends and public holidays.

Country Up to 2kg 2kg – 30kg Estimated delivery
Order under €350 Order €350 & over Order under €350 Order €350 & over
Austria€11.95€26.95€26.95€26.955-7 working days
Belgium€8.95€14.95€14.95€14.954-6 working days
Bulgaria€11.95€31.95€31.95€31.957-9 working days
Croatia€11.95€31.95€31.95€31.956-8 working days
Cyprus€14.95€89.95€89.95€89.95Contact us
Czechia€10.95€21.95€21.95€21.955-7 working days
Denmark€10.95€21.95€21.95€21.954-6 working days
Estonia€11.95€31.95€31.95€31.956-8 working days
Finland€11.95€26.95€26.95€26.955-7 working days
France€10.95€21.95€21.95€21.954-6 working days
Germany€8.95€14.95€14.95€14.955-7 working days
Greece€11.95€31.95€31.95€31.958-10 working days
Hungary€11.95€31.95€31.95€31.955-7 working days
Ireland€6.95€6.95€8.95€8.952-4 working days
Italy€10.95€21.95€21.95€21.955-7 working days
Latvia€11.95€31.95€31.95€31.956-8 working days
Lithuania€11.95€31.95€31.95€31.956-8 working days
Luxembourg€11.95€31.95€31.95€31.955-7 working days
Malta€14.95€89.95€89.95€89.95Contact us
Monaco€10.95€21.95€21.95€21.954-6 working days
Poland€10.95€21.95€21.95€21.955-7 working days
Romania€11.95€31.95€31.95€31.956-8 working days
Slovakia€11.95€31.95€31.95€31.955-7 working days
Slovenia€11.95€31.95€31.95€31.956-8 working days
Spain€11.95€26.95€26.95€26.955-7 working days
Sweden€11.95€26.95€26.95€26.955-7 working days

Returns & withdrawal

Which option you use depends on why you are sending the item back.

Changed your mind?

You have 14 days from receiving your order to withdraw from your purchase. Use our Withdrawal from Contract form to tell us. It is the quickest way, and we will then email you a free returns label.

If you would rather post the item back yourself to our returns address in Ireland, you pay the postage. Full details are on our Returns page.

Withdrawal from Contract

Faulty, damaged or wrong item?

If your item arrived faulty, damaged or not what you ordered, please follow the steps on our Returns page. We cover the cost of returning these items.

Full details of all our return options are on that page.

Returns page

Delivery prices are shown in euros and confirmed at checkout.

EU PRODUCT SAFETY AND COMPLIANCE

Product safety information is available on request from our customer service team.

ASK A QUESTION
There are no questions for this product yet. Why not ask one below?
Only registered users can submit questions. Login or Sign up
REVIEWS
loader
Loading...