What it is best for
The AGM Rattler TC19-256 is an easy entry into thermal clip-ons: keep your familiar day optic and add thermal in front of it for night work, then remove it for daytime. Best for short-to-medium range, where keeping your existing zero and reticle is important.
Key features and specifications
- 256×192 12-micron high-sensitivity thermal sensor
- 19 mm germanium lens, F1.0
- Detection range up to ~950 yd (~870 m)
- Mounts ahead of day scopes up to 8x; American Defense QD Picatinny mount
- 748×561 OLED display, multiple colour palettes
- 16 GB onboard memory, video and photo recording, Wi-Fi
- Powered by CR123A or rechargeable Li-ion, USB-C external power
- Waterproof and shockproof, 5-year warranty
Trade-offs and who it is not for
A 256-sensor and short 19 mm lens make the Rattler TC35-256 a short-to-medium-range tool; the 384 and 640 Rattler clip-ons reach further with more detail. As a clip-on, it depends on the quality of the day scope behind it.
Pairs well with
- If you want more reach and detail: AGM Rattler TC35-384 Thermal Clip-On
- If you prefer a dedicated thermal scope: AGM Rattler TS19-256 Thermal Riflescope
- If you need a scanner too: Thermal Monoculars
FAQ
- What is a thermal clip-on? It mounts in front of your normal day scope and turns it into a thermal sight, then comes off for daytime use, usually with no change to your zero.
- Do I need to re-zero my rifle? No. A correctly mounted clip-on works through your existing day scope and reticle, so your zero is preserved.
- How far can the TC19-256 detect? Up to around 950 yards on a heat source; practical identification and shooting distances are shorter.
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