AGM Rattler V3 LRF 35-640 — 640×512 thermal riflescope

How far you can see a person

112 m make out detail182 m tell what it is729 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 2,480 m, 3.4× 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 · Laser rangefinder

AGM Rattler V3 LRF 35-640

Approx. price: ~$3,795
Sensor: 640×512 · 12 µm
Lens: 35 mm · 2.5×
Weight: 25.7 oz

Price and availability on AGM Global Vision’s site may differ.

Best for

Night shooting where ranging matters — hogs and coyotes past 150 yards

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: <15 mK
Refresh rate: 50 Hz
Lens: 35 mm
Base magnification: 2.5×
Digital zoom: up to 20×
Field of view: 12.5° horizontal
Display: 2560x2560 OLED
Claimed detection: 2,480 m
Claim basis: 6 ft (1.8 m) object
Run time: 5.5 h
Battery type: Removable pack
Weight: 25.7 oz
Length: 9.3″
Laser rangefinder: Yes
Ballistic calculator: Yes
Records video: Yes
Wi-Fi: Yes
IP rating: IP67
Warranty: 5 years
Approx. price: ~$3,795

02Pros and cons

From the published specs, not owner reports.

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 (the best of 285 that publish it)
Built-in laser rangefinder that feeds the ballistic calculator
Swappable battery pack, so a spare doubles the run time
Waterproof (IP67), survives a dunking
Records video and connects to a phone app
Warranty: 5 years

Against it