Description
The Holosun HM3XT 3x Titanium Magnifier is the titanium-bodied version of Holosun’s HM3X 3x magnifier. It sits behind a red or green dot sight on a flip-to-side quick-detach mount and adds 3x magnification without changing the sight’s zero. Suits rifles running a Holosun (or other absolute / lower 1/3 height) dot sight that need occasional magnification for longer shots. Specifications below are from the manufacturer’s published data.
Key specifications
- Magnification: 3x
- Housing: Titanium, black
- Mount: Picatinny rail, flip-to-side quick-detach mount; absolute (1.41″) and lower 1/3 (1.63″) co-witness heights, spacer included
- Eye relief: 70 mm
- FOV: 7°
- Exit pupil: 7.6 mm
- Diopter: ±3 D
- Lens: Optical glass, 0.75 transmittance
- Adjustment: 0.5 MOA per click, ±50 MOA windage and elevation
- Dimensions: 3.2″ x 1.8″ x 2.5″ (81 x 46 x 64 mm)
- Weight: 11.6 oz (329 g)
- Waterproof: IPX67
- Shock rating: 1000G vibration
- Operating temperature: -30°C to 60°C
Frequently asked questions
Does the HM3XT fit both absolute and lower 1/3 co-witness dot sights?
Yes. Holosun lists it as compatible with absolute and lower 1/3 height optics; the mount gives 1.41″ or 1.63″ centre height and a lower 1/3 spacer is included in the box.
How does the HM3XT differ from the standard HM3X?
Optically the two share the same 3x magnification, 70 mm eye relief, 7° field of view and ±3 dioptre adjustment. The HM3XT has a titanium housing, is shorter (3.2″ vs 4″ long) and weighs 11.6 oz against 9.8 oz for the aluminium HM3X.
Does the magnifier need batteries?
No. It is a passive optical magnifier with no electronics; it magnifies whatever reticle the dot sight in front of it projects.
3 Gun Tactical, Tingalpa QLD — Licensed Firearms Dealer 50001578. Optics, mounts and accessories can be purchased without a firearms licence and are shipped Australia-wide. Source: Holosun.








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