RIX Storm S3R LRF Thermal Rifle Scope

The RIX Storm S3R LRF Thermal Rifle Scope is a lightweight 384x288 thermal scope built for hog, coyote, and predator hunters who want useful native magnification, built-in ranging, and ballistic support without paying for a 640-resolution optic. Its 384x288, 12µm VOx thermal sensor, 35mm F1.0 objective lens, 3.5x base magnification, and <25 mK NETD give hunters a strong balance of image detail, reach, portability, and price for typical night-hunting distances.

What makes the Storm S3R especially useful in the field is how much capability RIX fits into a roughly 1 lb package. The built-in laser rangefinder measures targets out to 1,312 yards with ±1 meter accuracy and works with RIX ballistic support, eliminating the need to carry a separate rangefinder. Its 3.5x native magnification provides more reach than lower-magnification thermals, while 1-4x digital zoom gives you up to 14x total magnification when you need a closer look.

The S3R uses RIX Resolution Enhancement Technology (RET) to improve perceived detail from the 384-resolution sensor, while the 1024x768 AMOLED display and 50 Hz refresh rate provide a clear, smooth image when scanning or tracking moving animals. RIX rates the S3R for thermal detection out to 1,969 yards, but that number should be treated as a detection specification rather than a realistic identification or shooting distance. For actual hunting, the S3R makes the most sense when you want solid 384-class performance and useful magnification without the additional cost of moving into a 640 sensor.

Who Is the RIX Storm S3R Best For?

The RIX Storm S3R is best for hog, coyote, and predator hunters who want a lightweight 384 thermal scope with an integrated laser rangefinder. Its 3.5x base magnification is particularly useful for hunters working fields, pastures, and mixed terrain where a little more native reach is valuable. At approximately 1 lb, it is also light enough to use for handheld scanning before mounting it back on the rifle with the included quick-detach Picatinny mount.

If most of your hunting is at common hog and predator distances and you want to keep the overall cost of your setup reasonable, the S3R offers a lot of capability without overbuying. If you regularly hunt open country where longer-distance target identification and better image retention under digital zoom are priorities, stepping up to the 640x512 Storm S6R is worth considering.

Key Specifications

• Thermal Sensor: 384x288 VOx
• Pixel Pitch: 12µm
• Objective Lens: 35mm F1.0
• Base Magnification: 3.5x
• Digital Zoom: 1-4x
• Total Magnification: Up to 14x
• Field of View: 7.5° x 5.7°
• NETD: <25 mK
• Refresh Rate: 50 Hz
• Display: 1024x768 AMOLED
• Detection Range: Up to 1,969 yards
• Laser Rangefinder: Built-in, up to 1,312 yards
• Rangefinder Accuracy: ±1 meter
• Ballistic Support: RIX ballistic calculator compatible
• Image Enhancement: Resolution Enhancement Technology (RET)
• Internal Storage: 32GB
• Recording: Photo and video
• Battery: Replaceable 18650
• Battery Runtime: Up to 4 hours
• External Power: USB-C
• Weather Protection: IP67
• Recoil Rating: 1000g / 6000J
• Weight: Approximately 1 lb
• Mount: Quick-detach Picatinny mount included
• Warranty: 5-year RIX manufacturer warranty

Every RIX Storm S3R purchased from Thermal Bros ships free and comes with access to real-world thermal buying and setup guidance. If you are deciding between the S3R, S6R, or another 384 thermal scope, we will help you choose based on your actual hunting distance, terrain, and budget instead of automatically pushing you toward the more expensive optic.

FAQ

What is the difference between the RIX Storm S3R and the S6R?

The sensor, and nothing else that matters. The S3R uses a 384x288 sensor and the S6R a 640x512, both behind the same 35 mm lens with the same rangefinder, the same display and the same body. The S6R resolves more detail; the S3R costs eight hundred dollars less and handles the distances most hog and predator hunting actually happens at.

Why does the RIX Storm S3R zoom to 14x when the more expensive S6R only reaches 8x?

Because a smaller sensor behind the same 35 mm lens gives a narrower field of view and a higher base magnification — 3.5x here against the S6R's 2x. Both scopes then add the same 1–4x digital zoom on top. Digital zoom does not create detail; it enlarges the pixels the sensor already captured, so the higher number on the S3R is more magnification of less information. It is a real advantage when you already know where the animal is, and it is not a reason to choose the S3R over the S6R on image quality.

How far can you identify an animal with the RIX Storm S3R?

Detection and identification are different distances, and the identification number is the one that matters. A 384-class sensor gives most hunters confident identification through the mid ranges where hogs and called coyotes are usually taken, and it starts to thin out past that — sooner if you are leaning on digital zoom to make the call. If your ground is open and your shots stretch, that is the case for stepping up to the 640 sensor rather than zooming harder on this one.

Does the RIX Storm S3R have a built-in rangefinder?

Yes. The built-in laser rangefinder reads to 1,312 yards with about a meter of accuracy, and it works with RIX ballistic support so a confirmed range turns into usable shot information. Bear in mind that laser reach and the distance at which you can identify an animal are different numbers on any thermal scope.

How long does the RIX Storm S3R battery last?

Up to four hours on a charge, running on a replaceable 18650. Because the cell swaps out in the field, the practical answer for a full night is to carry charged spares rather than plan around a single charge.

Is the RIX Storm S3R light enough to leave on the rifle?

At roughly a pound it is among the lighter thermal rifle scopes available, and it ships with a quick-detach Picatinny mount. It will not change how a hunting rifle balances the way heavier thermal optics do.

What is the difference between the RIX Storm S3R and the RIX Leap L3R?

Both carry a 384 sensor, but they magnify differently. The Storm S3R zooms digitally; the Leap L3R uses continuous optical zoom, changing magnification through the glass so the image holds together as you push it. The Leap costs more and is built around confident identification at distance; the Storm is the lighter, cheaper route to a 384 scope with ranging built in.