Tango Fire 4000 vs Sightlok RF-1
Tango Fire 4000 or a Sightlok RF-1 with a handheld rangefinder? We judged both on eight criteria — ranging performance, beam quality, environmental sensors, firmware reliability, triggering a range, ranging without pointing your weapon, ballistic software and support. The Sightlok RF-1 and Sig KILO2200 combination wins six, environmental sensors are a tie, and the Tango Fire 4000 wins one.


