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AGM Rattler, Varmint & Adder Thermal Scopes at Los Cazadores, Now With Free Shipping
This collection features AGM Global Vision thermal optics built for hunters and shooters who rely on dependable performance in low-light and no-light conditions. The AGM Rattler, Varmint, and Adder series each serve a distinct role, helping you choose the right thermal scope based on range, features, and hunting style.

Free Mounting & Boresighting
Buy your AGM thermal riflescope from Los Cazadores, in store or online, and our gunroom will mount and boresight it for free. Ordered online? Just bring your rifle and scope to a Los Cazadores store.
- 1Pick your scopeChoose your AGM thermal riflescope plus the rings or base that fit your rifle. Not sure which ones? Ask our gunroom team.
- 2We mount itOur gunroom installs and levels your scope with the right ring height and eye relief for you.
- 3We boresight itWe boresight the rifle so you are on paper at the range and only need to fine-tune your zero.
Popular AGM Thermal Riflescopes
From an affordable first thermal to a 640-resolution scope with a built-in rangefinder.
Shop More AGM Thermal
Clip-ons for your day scope, handheld monoculars for scanning, thermal binoculars with a rangefinder and 4K digital day/night.
Built for Hog & Predator Season
Thermal shines after dark, when hogs and predators move. Our Hog Contest (Heaviest Hog and Most Hogs) and statewide Predator Contest return in 2027. Watch the contests page for dates and registration.
AGM FAQ
What is the difference between thermal and night vision?
Thermal optics detect heat, so they work day or night and spot animals in shadows and total darkness. Night vision and digital night vision amplify available light, often with help from an IR illuminator, and show more natural detail. Most of AGM's lineup here is thermal; the Spectrum 4K Mini is digital day/night.
Which thermal resolution do I need?
A 256 sensor is an affordable way to spot heat at close to mid range. A 384 sensor gives clearer images and longer identification range, and a 640 sensor is the sharpest choice for long-range identification.
Is scope mounting really free?
Yes. Buy your AGM thermal riflescope from Los Cazadores in store or online and our gunroom will mount and boresight it on your rifle at no charge. If you ordered online, just bring your rifle and scope to a Los Cazadores store. Call us at (682) 498-3465 with any questions.
Rattler V2
Rattler V3
Varmint V2 LRF
Adder V2 LRF
Clip-Ons
Monoculars
Thermal Binoculars
Digital Night Vision