Holosun HM3XT 3x Micro Titanium Magnifier with QD Flip to Side Picatinny Mount
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.
- Window Size N/A
- Dimension (in) 4 x 1.7 x 2.5
- Weight (oz) 9.8
- Housing Material Durable Aluminum
- Surface Finish MAO
- Adjustment per Click N/A
- W&E Travel Range N/A
- Storage Temperature -20℃~65℃
- Working Temperature -20℃~51℃
- Submersion IP67
- Vibration 1000G
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.
- Holosun HM3XT 3x Micro Aluminium Mangifier
- QD Flip to Side Picatinny Mount
- QD Release Mount
- T10 L Key
- User Manual
- Holosun 10 years / product lifetime warranty. Read more here
Tactical Scope Shipping Policy
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY – READ MORE: HERE
Note: The above DPD link is to our group partner site Optics Warehouse, with whom we share logistics and stock. Link opens in a new window.
Couriers




We use DPD, Royal Mail, TNT, and UPS courier services for all our UK and international orders. Once your order is dispatched, you will receive an email with your unique tracking number.
In-Store Items
These are items we have in stock and aim to dispatch within 1–2 working days. During busy periods, this may be delayed slightly. If you'd prefer to collect your item in person, please contact us in advance to arrange. Collection orders must be paid for beforehand.
Pre-Order Items
Pre-order items are typically out-of-stock or in limited supply. Purchasing a pre-order secures your item, and it will be dispatched within 24 hours of restock where possible. Check the product page for estimated restock dates. These dates may change, so staying in touch is advised.
International Delivery & Taxes
If your shipping address is outside the UK, you may incur import duties or taxes upon arrival in your country. These charges are your responsibility. Customs regulations vary, so please check with your local customs office. Some packages may be opened for inspection.
Need Help?
If you need assistance, call us at +44 (0)1803 611895 (Optics Warehouse) or email order@tacticalscope.co.uk.
DPD Shipments & PIN Code Delivery
We have now introduced DPD Pin Code verification for all orders shipped via DPD. You will receive a PIN via email and text.
A valid email and mobile number must be provided at checkout. Emails will come from Riviera House 3PL. Please check spam/junk folders if not received.
Failure to present your PIN to the delivery driver will result in a failed delivery and rescheduling may be required.