CERTIFIED REFURBISHED
SIG SAUER Certified Refurbished Electro-Optics are backed by our Infinite Guarantee/limited lifetime warranty. Every SIG SAUER Certified Refurbished product undergoes a detailed refurbishment process including full function testing. Certified Refurbished items may have slight cosmetic blemishes, slight damage to the boxes, or be used as display models for events, which do not affect the performance of the product.
The ECHO® RQ35 thermal riflescope delivers dependable thermal performance in a compact, efficient configuration designed for practical engagement distances. Featuring a 35mm objective lens and a responsive thermal core, the RQ35 expands your awareness with crisp heat separation—enabling fast detection and confident target differentiation in close-to-mid range environments. Purpose-built for balance and maneuverability, it’s an ideal entry point into the ECHO R lineup.
FEATURES:
- LWIR 12um 50Hz thermal core with less than 20mK sensitivity
- 35mm Objective lens – Optimized for fast detection and wide situational awareness
- Efficient thermal resolution (384x288) – Clear heat contrast for confident identification
- Compact, balanced form factor – Maintains natural rifle handling and reduced fatigue
- BDX 2.0 enabled – Record, stream, and configure settings via the BDX mobile app
- 12-hour runtime – Internal battery with replaceable 18500 external battery support
Specifications
| SKU | UDSOEC31200 |
|---|---|
| Height | 3.5 in [ 89 mm ] |
| Magnification | 3.5-28 |
| Maintube Diameter | 30mm |
| Field of View | 7.6º |
| Frame Rate | 50 Hz |
| Resolution | 384 X 288 |
| Color Palettes | 8 |
| Video Recording | Yes |
| BDX Enabled | Yes |
| Run Time | 12 Hours |
| Battery | Internal + 1x18500 |
| Overall Length | 14.8 in [375 mm] |
| Overall Width | 2.8 in [72 mm] |
| Weight | 31.7 oz [900 g] |
| Waterproofing | IP67 |
| Color | Black |
Infinite Guarantee
SIG SAUER Electro-Optics are guaranteed forever. It's an unlimited lifetime guarantee.
LensArmor™
Abrasion-resistant lens coatings for extreme durability ensure the lenses on your scope will stay sharp, bright, and clear.
Ballistic Data Exchange 2.0
Ballistic Data Exchange is a rangefinder and riflescope system that uses your ballistics, environmental conditions and Bluetooth to illuminate the exact holdover dot. BDX 2.0 is the Software Update that includes a new easy mode for quick BDX setup out of the box, including: BDX kits come paired and bonded. BDX Quickbond™ system gives users the ability to bond two BDX enabled devices without the smartphone app. BDX equipped KILO™ rangefinders preloaded with ballistic groups for centerfire rifles, muzzleloaders and crossbows. 100% compatible with BDX smartphone app to access the advanced BDX features in configuration options.- ECHO R THERMAL RIFLESCOPES OWNER'S MANUAL