I Tested the Sig Thermal Echo 3: Here’s Why It’s the Ultimate Thermal Scope for Hunting and Tactical Use
I remember the first time I heard about the Sig Thermal Echo 3. It was during a camping trip with some friends, and one of them pulled out this small, handheld device that he claimed could detect heat signatures in the dark. I was skeptical at first, but after seeing it in action, I was…