Friday Night Lights: SIG Echo3 Thermal Reflex Sight -The Firearm Blog
![](https://www.thefirearmblog.com/blog/wp-content/uploads/2021/04/Echo3-feature.jpg)
This week we take a look at the new Sig Echo3 thermal reflex sight. This is Sig Sauer's entry level thermal weapon sight and replaced their Echo1.
![](https://midstatefirearms.com/wp-content/uploads/2022/08/600E2XT7-300x300.jpg)
AR 15 Sights, Lights and Optics for Sale
![](https://www.thefirearmblog.com/blog/wp-content/uploads/2021/04/IMG_7773.jpg)
Friday Night Lights: SIG Echo3 Thermal Reflex Sight -The Firearm Blog
![](https://midstatefirearms.com/wp-content/uploads/2022/07/DTNVS1(1)-300x300.jpg)
AR 15 Sights, Lights and Optics for Sale
![](https://www.thefirearmblog.com/blog/wp-content/uploads/2021/04/IMG_7565.jpg)
Friday Night Lights: SIG Echo3 Thermal Reflex Sight -The Firearm Blog
![](https://www.thefirearmblog.com/blog/wp-content/uploads/2021/04/Echo3-feature.jpg)
Friday Night Lights: SIG Echo3 Thermal Reflex Sight -The Firearm Blog
![](https://midstatefirearms.com/wp-content/uploads/2022/08/SigSauerEcho3ThermalReflexSight.jpg)
AR 15 Sights, Lights and Optics for Sale
![](https://www.thefirearmblog.com/blog/wp-content/uploads/2021/04/IMG_7774.jpg)
Friday Night Lights: SIG Echo3 Thermal Reflex Sight -The Firearm Blog
![](https://www.thefirearmblog.com/blog/wp-content/uploads/2021/04/IMG_7776.jpg)
Friday Night Lights: SIG Echo3 Thermal Reflex Sight -The Firearm Blog