The Holosun DRSTH DRS Thermal Reflex Sight 1-5x multi reticle thermal overlay represents a major leap forward in optic technology, blending traditional reflex sight performance with cutting edge thermal imaging. It is designed for shooters who demand versatility, speed, and superior target acquisition in every environment.
Whether you are working in daylight, low light, or complete darkness, this optic is built to deliver the same capability without swapping hardware or losing your zero between systems.
Holosun DRSTH DRS Thermal Reflex Sight Overview
The DRSTH, short for Digital Reflex Sight Thermal, is a hybrid optic that combines a crisp red dot reflex sight with an integrated thermal imaging overlay system. That fusion is the entire point of the design.
It lets you keep the familiarity and speed of a traditional optic while gaining the ability to detect heat signatures through smoke, fog, brush, and darkness. Nothing about your shooting mechanics has to change.
Built with durability and adaptability in mind, it is aimed at hunters, tactical professionals, and shooting enthusiasts who need reliable performance in unpredictable conditions rather than ideal ones.
The reticle package includes a 2 MOA red dot and a 65 MOA circle, giving you both a precise aiming point and a fast, eye catching ring for close work.
Key Features
What sets this optic apart on a rifle:
- Hybrid design pairing a reflex red dot with an integrated thermal imaging overlay
- 1-5x magnification range covering close quarters through mid range engagements
- 2 MOA red dot for precision paired with a 65 MOA circle for speed
- Multi reticle system so you can match the aiming reference to the task
- Thermal detection through smoke, fog, brush, and total darkness
- Built for hunters, professionals, and enthusiasts working in variable conditions
Optical Performance and Reticle Details
The 2 MOA dot is the sweet spot for a general purpose reflex reticle. It is fine enough to shoot precisely at distance yet large enough to find quickly when the rifle comes up, which is exactly the balance most shooters want.
The 65 MOA circle surrounding it does a different job. A large ring draws the eye and speeds up target acquisition dramatically at close range, particularly when the shooter is moving or breathing hard.
Magnification from 1x to 5x is the practical range for a fighting or hunting rifle. At 1x the optic behaves like a red dot with both eyes open, and at 5x it gives you enough magnification to identify and engage at meaningful distance.
The thermal overlay is the differentiator. Traditional optics can only show you reflected light, so an animal or a person standing in shadow or behind light brush disappears. Heat signatures do not hide the same way.
Because the Holosun DRSTH DRS thermal system overlays that imagery onto a reflex sight picture rather than replacing it, you never lose the reference you already trained on. The dot stays where it has always been.
That single design decision is what makes the optic usable at speed. Dedicated thermal scopes demand a different manual of arms, while this one asks you to learn a mode selector and nothing more.
Field Use, Zeroing, and Care
Mount the optic solidly and torque the fasteners to the manufacturer’s specification. A thermal capable sight is a serious investment, and mount slippage is the fastest way to lose confidence in an otherwise excellent system.
Zero in daylight with the reflex reticle first, then confirm your zero with the thermal overlay engaged so you know both references agree. Do that once and you can switch between them without second guessing.
Learn to read thermal imagery before you rely on it. Heat contrast changes with weather, time of day, and ground cover, and a session or two of practice teaches you far more about interpretation than any manual will.
For care, keep the lenses clean using a proper lens cloth rather than a shirt tail, store the optic in a dry place, and remove or check batteries before long periods of storage. Browse the rest of our optics collection for mounts, risers, and complementary sighting systems from Holosun and other makers.
For shooters who need one optic that works day and night, the Holosun DRSTH DRS thermal reflex sight is the most capable option in its class. Ships direct to your door, no FFL required.
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