Product Overview
The SIG Sauer ECHO3 Thermal Reflex Sight is a thermal optic with 1-6x magnification.
Compatibility and Mounting
Compatibility depends on the exact firearm, receiver, rail standard, optic footprint, tube diameter, ring height, and mounting hardware. Verify all dimensions and manufacturer fitment information before ordering.
Key Features
- Magnification: 1-6x
Why These Features Matter
Magnification: 1-6x
Magnification determines the apparent size of the target and affects field of view, speed, and practical engagement distance.
Best For
- Low-light observation, hunting, or field use where lawful
- Buyers comparing sensor quality, detection range, and digital features
- Customers who verify exact product and firearm compatibility before ordering
TRA Take
The right optic or mount should be selected around the firearm, shooting distance, target size, lighting conditions, mounting system, and the shooter’s preferred sight picture. For digital, thermal, and night-vision products, sensor resolution, display quality, detection range, battery life, and recording or connectivity features matter more than headline magnification alone.
Frequently Asked Questions
What type of optic product is this?
This item is classified as a thermal optic.
What is the magnification?
The listed magnification is 1-6x.
Does this product require shipment to an FFL?
No. Standard optics, mounts, rings, rangefinders, lasers, and accessories generally ship directly where legal.
What is the manufacturer part number?
The manufacturer part number is SOEC31001.
Shipping and Installation Information
Standard optics and mounting products generally ship directly where legal. Professional installation may be appropriate for firearm-specific bases, mounts, rings, lasers, or adapter plates. Follow manufacturer torque, thread-locking, mounting, and zeroing instructions.
Why Buy From Tar River Arms
- Veteran-owned licensed firearms dealer
- Secure online checkout
- Nationwide shipping where legal
- Local pickup available in Raleigh, North Carolina
- Professional product-support and gunsmithing experience
Product Identification
Manufacturer Part Number: SOEC31001
UPC: 798681621910