AGM Rattler V2 50-640 — 640×512 thermal riflescope

How far you can see a person

160 m make out detail260 m tell what it is1,042 m spot it┆ maker’s claim

501002005001k2k5k m

Calculated from the sensor's pixel pitch and the lens focal length, for clear air.

AGM Global Vision quotes 2,600 m, 2.5× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ

AGM Global VisionRiflescope · 640-class

AGM Rattler V2 50-640

Approx. price: ~$2,995
Sensor: 640×512 · 12 µm
Lens: 50 mm · 2.5×
Weight: 18.7 oz

We may earn a commission. Price and availability on Amazon’s site may differ.

Best for

A dedicated night rifle for hogs and coyotes on open ground

01Specifications

As published by AGM Global Vision. Sources: agmglobalvision.com (product page, 2026 catalog), downloads.agmglobalvision.com (datasheet).

Sensor: 640×512
Pixel pitch: 12 µm
NETD: <20 mK
Refresh rate: 50 Hz
Lens: 50 mm
Base magnification: 2.5×
Digital zoom: up to 20×
Field of view: 8.8° horizontal
Display: 1024x768 OLED
Claimed detection: 2,600 m
Claim basis: 6 ft (1.8 m) object
Run time: 9 h
Battery type: Removable pack
Weight: 18.7 oz
Length: 9.1″
Laser rangefinder: No
Ballistic calculator: No
Records video: Yes
Wi-Fi: Yes
IP rating: IP67
Warranty: 5 years
Approx. price: ~$2,995

02Pros and cons

From the published specs. What owners report is in the next section.

For it

640×512 sensor, 3× the detail of an entry-level 384
Sensitive sensor that picks out small heat differences on humid or rainy nights (104th-best of 285 that publish it)
Swappable battery pack, so a spare doubles the run time
9 h of battery, 81st-longest of 344 here
Light at 18.7 oz, 38th-lightest of the 194 riflescopes here
Waterproof (IP67), survives a dunking
Records video and connects to a phone app

Against it

No rangefinder, so you judge distance by eye
Zoom past 2.5× is digital and gets blurry

03What owners say

owner discussions, 2024–2026

Summarised from 9 public owner discussions between 2024 and 2026. Owner experience, not a measurement.

Owners of the 50 mm Rattler V2 640 mostly let their footage talk: hogs and deer at 120 to 420 yards, posted with very little complaint. The one who sums it up most plainly says it has been reliable, easy to use, and that everything just works; another who has used Pulsar and Nocpix scopes calls this AGM his favorite so far. A deer-browsing clip shot on a warm, humid February night in northeast Texas drew comments that the image held up well in poor conditions, with deer visible at about 420 yards.

By late 2025 it had become the value 640 that shoppers weigh against the Athlon Cronus 640, the Guide TU651, DNT's Hydra HS650R and Nocpix's Rico 2, often on sale near $2,100. The things that push buyers elsewhere are the lack of a built-in rangefinder, which owners say matters for judging distance at night, and the arrival of the V3 line.

What owners like

Owners describe it as reliable and simple: one says everything on it just works, and another moving between Pulsar, Nocpix and AGM picked this as his favorite.
Image holds up in humidity: a warm, wet night in northeast Texas still produced clean footage of deer at 225, 270 and roughly 420 yards.
Good enough at distance for precise shots; owners post hog head shots and a 120-yard neck shot on deer-sized game.
Shoppers who like its clarity and recording keep it on their shortlist even when they are looking at other brands.

Common complaints

No built-in rangefinder; owners who moved on to a RIX DBH or the LRF versions of other scopes did so mainly to get one, since distance is hard to judge through a thermal.
The zeroing routine confused an experienced owner who kept chasing his zero with multiple saved profiles; changing ammunition fixed most of it, but he remained unsure how adjustments behave when zoomed.
One owner who loves his says other people's footage looks noticeably better than his own, so expect to spend time on image settings.

Rattler V2 50-640 or Athlon Cronus ATS Pro 50L-640?

An owner who has both an AGM V2 and the smaller Cronus voted for the Rattler on reliability and ease of use, and said the Athlon screen and stiff focus ring put him off. The Cronus side of the argument is its rangefinder and a five-year warranty.

My zero keeps wandering. Is it the scope?

One owner chasing zero with a .22 found it was largely his ammunition: switching from Stingers to CCI Standard tightened groups to about 2 MOA at 180 meters. Another long-time Rattler owner has had no zero shift on .300 Blackout or .243.