![Guns & Ammo Magazine on Twitter: "G&A is testing the #ECHO1 thermal @sigsauerinc We prefer the #ROMEO1 red dot sight option for quick target indexing. https://t.co/vyhdTbIrw8" / Twitter Guns & Ammo Magazine on Twitter: "G&A is testing the #ECHO1 thermal @sigsauerinc We prefer the #ROMEO1 red dot sight option for quick target indexing. https://t.co/vyhdTbIrw8" / Twitter](https://pbs.twimg.com/media/CqWVohxW8AQ__WE.jpg)
Guns & Ammo Magazine on Twitter: "G&A is testing the #ECHO1 thermal @sigsauerinc We prefer the #ROMEO1 red dot sight option for quick target indexing. https://t.co/vyhdTbIrw8" / Twitter
![Sig Sauer Echo1 Thermal Reflex Sight, 1-2X, M1913, Graphite, ITAR Controlled SOE11001. Operational, Used. NO WARRANTY UA1729 For Sale - EuroOptic.com Sig Sauer Echo1 Thermal Reflex Sight, 1-2X, M1913, Graphite, ITAR Controlled SOE11001. Operational, Used. NO WARRANTY UA1729 For Sale - EuroOptic.com](https://images.eurooptic.com/images/products/sig-sauer/Sig-Sauer-UA-1729.jpg)
Sig Sauer Echo1 Thermal Reflex Sight, 1-2X, M1913, Graphite, ITAR Controlled SOE11001. Operational, Used. NO WARRANTY UA1729 For Sale - EuroOptic.com
![SHOT Show 2017: SIG Sauer Electro-Optics ECHO1 Thermal Imaging Reflex Sight | An Official Journal Of The NRA SHOT Show 2017: SIG Sauer Electro-Optics ECHO1 Thermal Imaging Reflex Sight | An Official Journal Of The NRA](https://www.americanrifleman.org/media/33bigkv4/echo1.jpg)