Best Thermal Scope for AR-15 Coyote Hunting 2026: ATN...

If you run coyotes at night with an AR-15, you already know that a standard riflescope is dead weight after dark. Coyotes are nocturnal, fast, and they use every shadow available. To consistently punch tags after sunset, you need a thermal scope for hunting that can detect heat signatures through brush, fog, and total darkness — mounted and ready on your rifle the moment an animal steps into a field. In 2026, one scope has risen to the top of the short list for AR-15 coyote hunters: the ATN ThOR 6 mini 325.

This guide breaks down exactly why the ATN ThOR 6 mini 325 earns the title of best thermal scope for AR15 coyote hunting in 2026, what the specs actually mean in the field, and everything you need to know before you buy.

Why Coyote Hunters Need a Thermal Scope on Their AR-15

Coyotes are most active from dusk until dawn. They move fast, use terrain and cover intelligently, and rarely give you a clean shot in daylight. Night vision technology helped bridge the gap, but it depends on ambient light and can struggle in total blackout conditions, fog, or dense brush. Thermal imaging changes the entire equation.

A night hunting thermal scope doesn't need any light at all. It detects the heat radiating from an animal's body and renders it as a visible image regardless of darkness, weather, or background camouflage. A coyote standing against tall grass at 150 yards at 2 AM is invisible to the naked eye. Through a quality thermal scope, it glows like a beacon.

The AR-15 platform is the natural choice for coyote hunting. It's lightweight, fast to handle, accurate, and chambered in flat-shooting rounds like .223 Remington and .22-250 that are ideal for varmint work. Pairing the AR-15 with a compact, capable thermal riflescope gives you a complete predator hunting system that works around the clock. The challenge has always been finding a thermal optic that matches the AR platform's strengths: lightweight, compact, durable, and genuinely capable at coyote engagement distances.

The ATN ThOR 6 mini 325 was built to solve exactly that problem.

ATN ThOR 6 Mini 325 Review 2026: First Impressions

The ATN ThOR 6 mini 325 review 2026 starts with the most immediate thing you notice when you pick it up: this scope is genuinely compact and light. At 528 grams (1.16 lbs) and measuring just 180mm x 65mm x 65mm, it does not overload an AR-15 build. Hunters who have dealt with heavier full-size thermal scopes will appreciate how the ThOR 6 mini 325 keeps the rifle balanced and easy to swing on moving targets.

But compact doesn't mean compromised. This is a 6th Generation thermal engine from ATN, the most advanced core they have ever built, and the performance-to-size ratio is genuinely impressive. Out of the box you get a complete system: the scope, two 18650 rechargeable batteries, a USB Type-C cable, battery charger, lens cloth, carrying bag, heated target for zeroing, quick start guide, and user manual. ATN includes the heated zeroing target specifically because zeroing a thermal scope requires a heat source — a thoughtful inclusion that saves you from improvising in the field.

ATN ThOR 6 Mini 325 Specs: What the Numbers Mean for Coyote Hunting

Understanding the ATN ThOR 6 mini 325 specs means understanding what they deliver in actual hunting scenarios, not just on a data sheet.

Sensor Resolution and Thermal Sensitivity

The ThOR 6 mini 325 uses a 384x288 sensor resolution with an ultra-sensitive NETD rating of ≤18mK, built on a 12μm pixel pitch VOx Uncooled Focal Plane Array. Here is why that matters:

• 384x288 resolution delivers significantly more detail than entry-level 256x192 sensors. You can make out body shape, limb movement, and even ear position on a coyote at distance, which helps with shot placement and species identification.
• ≤18mK NETD sensitivity means the sensor can detect temperature differences as small as 18 millikelvins. In practice, this translates to picking up a coyote that is partially bedded in brush, a hog rooting in heavy grass, or any animal that would be nearly invisible to a less sensitive sensor.
• 12μm pixel pitch is the industry benchmark for compact thermal sensors. Smaller pixel pitch means more pixels packed into a given sensor area, producing sharper, more detailed images without requiring a physically larger detector.

For coyote hunters specifically, the 384x288 / ≤18mK combination is a sweet spot. It gives you enough resolution to positively identify a target at 100 to 300 yards — the bread-and-butter engagement range for AR-15 coyote work — without the cost premium of a 640x512 sensor.

Detection Range

The ThOR 6 mini 325 has a rated detection range of 2300 meters. In practical coyote hunting terms, this means you can spot an animal at distances well beyond your realistic shooting range. You will detect coyotes moving across fields at 400, 500, even 600 yards, track their movement, and wait for them to close into ethical shooting distance. That situational awareness is one of the most valuable assets a predator hunter can have.

Magnification and Field of View

The 325 model ships with a 25mm germanium lens at F/1.0 and provides 2.5-20x magnification with Step and Smooth Zoom. The field of view is 10.5° x 7.9°. That combination is ideal for the AR-15 platform because:

• At lower magnification settings, you get a wide field of view for scanning fields and detecting movement across open terrain.
• Zooming to higher magnification lets you confirm target identity and make precise shot placement decisions at distance.
• The 1x, 2x, 4x, and 8x digital zoom steps give you quick, defined stops for common scenarios, while smooth zoom lets you dial in precisely when needed.

Display

The ThOR 6 mini 325 features a 0.49-inch OLED display at 1920x1080 resolution. OLED panels provide true blacks, high contrast, and faster response times compared to traditional LCD displays. For thermal imaging, this means you see cleaner separation between hot targets and cold backgrounds, less motion blur when tracking a running coyote, and reduced eye fatigue during extended glass time. If you have ever stared through a low-quality display for three hours waiting on a coyote stand, you will understand why the display quality matters more than most hunters expect.

Physical Specifications for AR-15 Compatibility

The ThOR 6 mini 325 mounts on a Picatinny rail, which is the standard on virtually every AR-15 flat-top receiver. No adapters or special bases are required. The scope's compact 180mm length means it fits cleanly on most AR-15 rails without interfering with backup sights, and its 65mm width keeps it narrow and well-balanced over the bore.

• Weight: 528g / 1.16 lbs
• Dimensions: 180 x 65 x 65mm (7.09 x 2.56 x 2.56 inches)
• Waterproof rating: IP67
• Maximum recoil rating: 6000 Joules / 1000g acceleration over 0.4ms
• Operating temperature: -30°C to +55°C (-22°F to 131°F)

The 6000-joule recoil rating is worth noting. The AR-15 in standard .223/5.56 generates relatively mild recoil, but hunters who run .223 Wylde, .300 Blackout, or even .458 SOCOM builds will appreciate knowing the optic is rated for serious punishment. The IP67 waterproof rating means you can hunt in rain, fog, and heavy dew without babying the scope.

AR-15 Thermal Scope Mount: Getting the ThOR 6 Mini 325 on Your Rifle

The AR-15 thermal scope mount setup for the ThOR 6 mini 325 is refreshingly straightforward. The scope is designed for direct Picatinny rail mounting, which means it drops onto any standard AR-15 flat-top upper without additional hardware beyond a quality mount or rings.

ATN recommends 30mm rings for their full-size ThOR 6 models, but the ThOR 6 mini 325 mounts directly to a Picatinny rail using the integrated mounting system. This direct-mount design keeps the scope low and centered over the bore, which maintains proper cheek weld and makes the rifle feel natural in the hands.

A few mounting considerations for AR-15 coyote hunters:

• Position the scope as far rearward as your rail allows to maximize eye relief and keep the rifle's balance point over the support hand.
• The ThOR 6 mini 325 offers 50mm of eye relief, which is comfortable for the AR-15 shooting position.
• A level mount matters more on a thermal scope than on a traditional optic because thermal imaging amplifies any cant in the image. Take the time to verify your mount is true before zeroing.

Key Features That Make the ATN ThOR 6 Mini 325 the Best Thermal Scope for AR15 Coyote Hunting

SharpIR AI-Enhanced Imaging

ATN's proprietary SharpIR technology is built into the ThOR 6 mini 325 and operates continuously in real time. It uses advanced AI algorithms to scan every pixel and sharpen edge definition, boost contrast, and improve target separation. For coyote hunters, the practical result is that you see defined animal shapes rather than blurry heat blobs — even when a coyote is partially screened by brush, standing in tall grass, or moving quickly across your field of view. This is not a marketing feature; it translates to faster, more confident target identification, which directly improves shot timing and ethical kill shots.

Hot Point Tracking

Hot Point Tracking automatically identifies and highlights the hottest heat signature in your field of view. When you are scanning a field at night and a coyote steps out at the far tree line, Hot Point Tracking flags it immediately without you having to locate it manually. In fast-paced predator hunting situations — multiple coyotes responding to a call, a hog emerging at unexpected angles — this feature accelerates target acquisition significantly.

Recoil Activated Video (RAV)

The ThOR 6 mini 325 automatically records 10 seconds before and 10 seconds after each shot using ATN's Recoil Activated Video system. You do not need to press any buttons or take your eye off the target. The scope detects recoil and captures the full sequence: your approach to the shot, the break, and the point of impact. For coyote hunters, this is invaluable for confirming shot placement on poorly lit or fast-moving targets, for reviewing calling sequences that brought animals in, and for building a record of hunts without carrying a separate camera system.

64GB Internal Storage and Internal Gallery

All footage saves directly to 64GB of internal storage. There are no SD cards to lose, no external recorders to manage. The Internal Gallery lets you play back footage directly on the scope's display in the field. You can review where your shot hit before walking out to recover an animal — genuinely useful for night shooting when you cannot see the impact point with the naked eye. Transfer to a computer or phone happens via USB-C.

Built-In Wi-Fi and ATN Connect 6 App

The scope streams live footage directly to a smartphone or tablet via the ATN Connect 6 app, available for both iOS and Android. No internet connection is required. In a coyote hunting context, this means a hunting partner can watch a live feed on their phone while you are on the rifle, helping spot incoming animals, track multiple coyotes at once, or guide new hunters through the process of acquiring thermal targets. It adds a coordination capability that hunters with traditional optics simply do not have.

Zeroing Freeze

Zeroing Freeze pauses the image at the moment of impact so you can make precise reticle adjustments without rushing. Zeroing a thermal scope is different from zeroing a standard optic because you are shooting at a heat source, not a paper target with clearly visible holes. Zeroing Freeze removes the frustration from that process and delivers a clean, accurate zero that transfers directly to hunting accuracy.

Multiple Weapon Profiles

Store up to five custom weapon profiles. If you run the ThOR 6 mini 325 on multiple rifles — a .223 AR-15 for coyotes and a .308 bolt gun for hogs, for example — you can save separate zero data for each setup and switch between them without re-zeroing. Pull the scope off one rifle, put it on another, select the saved profile, and you are on target.

Multiple Color Palettes

Six color modes — White Hot, Black Hot, Iron Red, Alarm, Green Hot, and Sepia — let you adapt your viewing experience to conditions. White Hot and Black Hot are the workhorses for most coyote hunting situations. Iron Red and Alarm modes provide stronger color contrast for cluttered environments where a standard grayscale palette can make target separation difficult. Having the ability to switch modes quickly, without removing your eye from the scope, is a meaningful field advantage.

Battery Life and Replaceable Battery Design

The ThOR 6 mini 325 runs on a single 18650 rechargeable battery for approximately 7 hours of continuous operation. The battery is replaceable in the field, which means you can carry a spare and swap it mid-hunt without returning to a vehicle. For all-night coyote or hog hunting setups, that replaceability is non-negotiable. The scope also supports external power via USB Type-C at 5VDC/2A, which allows you to run it from a power bank indefinitely if needed.

Three-Button Controls

The streamlined three-button control layout navigates all menus and settings. It works cleanly with gloves on and in total darkness. Coyote hunters do not have time to fumble with complicated menus when a dog is circling a call at 50 yards. The ThOR 6 mini 325's interface is built for that reality.

ATN ThOR 6 Mini 325 vs. Full-Size ATN ThOR 6: Which Should You Choose?

ATN offers the full-size ThOR 6 series alongside the mini lineup. Both share the same 6th Generation thermal engine, SharpIR AI processing, RAV, Wi-Fi, and core feature set. The differences are in form factor, weight, and display size.

• The full-size ThOR 6 325 weighs 790g (1.74 lbs), measures 410mm in length, and uses 30mm ring mounts. It is a serious optic for hunters who prioritize maximum detection range and display real estate.
• The ThOR 6 mini 325 weighs 528g (1.16 lbs), measures just 180mm in length, and mounts directly to Picatinny rail. It delivers the same 384x288 / ≤18mK sensor performance in a package that is dramatically more compact.

For AR-15 coyote hunting specifically, the mini 325 wins. The AR-15 platform is defined by its lightweight, maneuverable handling. Adding nearly two pounds of optic pushes the platform away from its core strengths. The mini 325 preserves the rifle's natural balance and handling while delivering fully capable thermal performance at every coyote hunting range you are realistically going to shoot.

Complete ATN ThOR 6 Mini 325 Specifications

• Detector type: 12μm VOx Uncooled Focal Plane Array
• Sensor resolution: 384x288
• Thermal sensitivity (NETD): ≤18mK
• Refresh rate: 50Hz
• Lens system: 25mm Germanium, F/1.0
• Field of view: 10.5° x 7.9°
• Magnification: 2.5-20x (Step and Smooth Zoom)
• Digital zoom: 1x, 2x, 4x, 8x
• Detection range: 2300 meters
• Display: 0.49-inch OLED, 1920x1080 resolution
• Eye relief: 50mm
• Diopter range: -5 to +5D
• Focus mechanism: Manual, front lens adjustment
• Color palettes: White Hot, Black Hot, Iron Red, Alarm, Green Hot, Sepia
• Reticle types: 10 styles
• NUC: Auto / Semi Auto / Manual
• SharpIR AI enhancement: Yes
• Picture-in-Picture: Yes
• Zeroing Freeze: Yes
• Hot Point Tracking: Yes
• Reticle Transparency Control: Yes
• Internal storage: 64GB
• Video / Audio recording: Yes
• Recoil Activated Video (RAV): Yes
• Internal Gallery: Yes
• Built-in Wi-Fi (Hotspot): Yes
• App: ATN Connect 6 (iOS and Android)
• Media output: USB Type-C
• Battery: 1x 18650 rechargeable (replaceable)
• Battery life: approximately 7 hours
• External power: Yes, USB Type-C (5VDC / 2A)
• Startup time: Less than 7 seconds (instant from standby)
• Mounting: Picatinny rail
• Material: Magnesium alloy
• Weight: 528g / 1.16 lbs
• Dimensions: 180 x 65 x 65mm (7.09 x 2.56 x 2.56 inches)
• Waterproof rating: IP67
• Max recoil rating: 6000 Joules / 1000g acceleration over 0.4ms
• Operating temperature: -30°C to +55°C (-22°F to 131°F)
• Geomagnetic + Gyroscope: Yes

Who Should Buy the ATN ThOR 6 Mini 325?

The ATN ThOR 6 mini 325 is the right choice for hunters who fit one or more of these profiles:

• You run an AR-15 as your primary coyote or predator hunting rifle and want a thermal optic that does not fight the platform's natural balance and handling.
• You hunt in a variety of conditions — foggy mornings, heavy brush, open fields at night — and need a sensor sensitive enough to detect animals in low-contrast environments.
• You want integrated video recording without carrying a separate device. The RAV system and 64GB internal storage make this a complete documentation system.
• You hunt with a partner or guide clients and want the ability to stream a live view to a second screen via Wi-Fi.
• You own multiple rifles and want to transfer the optic between them using saved weapon profiles without re-zeroing each time.
• You need a durable, IP67-rated, -30°C rated optic that will perform reliably through hard seasons of field use.

What Comes in the Box

Every ATN ThOR 6 mini 325 ships with everything you need to get into the field quickly:

• ATN ThOR 6 mini 325 thermal riflescope
• 1x 18650 rechargeable battery (internal, pre-installed)
• Battery charger
• USB Type-C cable
• Lens cloth
• Carrying bag
• Heated target for zeroing
• Quick start guide
• User manual

The inclusion of the heated zeroing target is something competitors often leave out. Zeroing a thermal scope requires a heat source your sensor can detect, and including one in the box removes a common first-use frustration. It is a small detail that reflects how ATN has thought through the ownership experience for hunters who may be new to thermal technology.

Final Verdict: Best Thermal Scope for AR15 Coyote Hunting in 2026

The ATN ThOR 6 mini 325 is the most complete, well-balanced thermal riflescope available for AR-15 coyote hunters in 2026. It combines a genuinely capable 384x288 / ≤18mK 6th Generation sensor with a compact, lightweight design that preserves the AR-15's handling strengths. SharpIR AI imaging, Hot Point Tracking, RAV, 64GB internal recording, Wi-Fi streaming, multiple weapon profiles, and a rugged IP67-rated magnesium alloy housing make it a complete hunting system, not just a thermal objective lens bolted to your rifle.

If you are serious about predator hunting after dark — whether that means calling coyotes across Midwestern farm fields, running hogs through South Texas brush, or protecting livestock on open range — the ATN ThOR 6 mini 325 is the scope you mount and trust. The best thermal scope for AR15 coyote hunting does not need to be the heaviest or most expensive option on the market. It needs to work every time you pull it out of the bag, in every condition the field throws at you. In 2026, the ATN ThOR 6 mini 325 is that scope.

Shop the ATN ThOR 6 mini 325 and the full ThOR 6 lineup at atncorp.com.