Description
The AGM Spectrum LRF 4K-Mini takes what people liked about the full-size Spectrum LRF 4K and shrinks it into a lighter, easier-carrying package. At the core is a 3840×2160 ultra-high-definition CMOS sensor feeding a crisp 1920×1080 OLED display, so you get full-color detail during the day and a dependable monochrome picture after dark. It handles daytime glassing, low-light windows around sunrise and sunset, and after-dark work with an IR illuminator all in one unit, which makes it a genuine day-into-night optic rather than a nighttime-only tool.
What Sets the Spectrum LRF 4K-Mini Apart
The headline feature is the integrated 1,000-meter laser rangefinder. Digital screens tend to flatten out depth perception, and that's where a lot of guys struggle with digital scopes. The built-in LRF, paired with the onboard ballistic calculator, hands you an actual distance number and a firing solution instead of leaving you to guess. That's the real reason to reach for this model over the non-LRF Mini. You also get ten reticle patterns in eight colors, freeze zeroing for quick sight-in, and picture-in-picture for holding your zoom while keeping the wider view.
Ranging, Recording, and Ranging Setup on the LRF 4K-Mini
The optic runs a 3.5-20.5x zoom range through a 40mm F/2.0 objective in a standard 30mm tube, so it drops into common rings without any oddball hardware. You can flip between a rectangular or semi-circular display, and switch the refresh rate up to 100Hz at 1080p for smoother tracking on running coyotes and hogs. Onboard video and audio recording, image capture, and Shot-Activated Recording let you save the moment without bolting a separate camera to your rifle, and 32GB of internal storage plus Wi-Fi through the AGM Connect app makes pulling footage off the scope simple.
Built for the Field
Power comes from a dual system: a built-in rechargeable cell plus a replaceable 18650 battery, with USB-C for external power and up to 7.5 hours of runtime. The housing is IP67 waterproof and shockproof, recoil-rated for hard-kicking calibers, and light enough to keep your rifle nimble. It's a solid pick for predator control, hog hunting, and all-around use where you want ranging and recording in a compact optic.
Key Specifications
- Model: Spectrum LRF 4K Mini
- Manufacturer: AGM Global Vision
- Manufacturer Part Number: SPEC-4K-LRF-M
- UPC: 810164392985
- Magnification: 3.5-20.5x incremental and step zoom
- Sensor: 3840×2160 UHD CMOS (4K)
- Display: 1920×1080 OLED
- Objective Lens: 40mm F/2.0
- Laser Rangefinder: Integrated 1,000m
- Daytime Detection Range: Up to 800m
- Tube Diameter: 30mm
- Eye Relief: 45mm
- Refresh Rate: 50Hz (4K) / 100Hz (1080p)
- Internal Storage: 32GB
- Battery Runtime: Up to 7.5 hours
- Color: Black
What’s Included
- AGM Spectrum LRF 4K-Mini digital day/night vision rifle scope
- Replaceable 18650 battery
- USB-C charging/data cable
- User manual
Frequently Asked Questions
What's the difference between the Spectrum LRF 4K-Mini and the standard Spectrum 4K-Mini?
The LRF Mini adds a built-in 1,000-meter laser rangefinder and an onboard ballistic calculator, while the standard Mini leaves those out and relies on stadiametric ranging in the menu. If you want a real distance number and a firing solution on the display, the LRF version is the one to get. Everything else, including the 4K sensor, 40mm objective, and 30mm tube, carries over between the two.
Does the Spectrum LRF 4K-Mini work in complete darkness?
Yes. It has a dedicated monochrome night mode and the newer 4K sensors are more sensitive to infrared than older units, so it performs well after dark. Pairing it with a good IR illuminator and a solid mount gets you the best results for full-darkness hunting.
What size rings does the Spectrum LRF 4K-Mini need?
It uses a standard 30mm tube, so it drops into common 30mm rings without any special adapters. Rings are not included in the box, so plan on a quality set matched to your rifle's rail. Its lighter, compact body keeps your setup nimble compared to the full-size Spectrum LRF 4K.
Can I record video and pull it off the scope?
It has onboard video and audio recording, image capture, and Shot-Activated Recording that starts automatically on the shot. There's 32GB of internal storage on board, and Wi-Fi through the AGM Connect app lets you manage settings and transfer footage straight to your phone.




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