SIMPLE. ACCURATE. ETHICAL.
BALLISTIC DATA XCHANGE
The SIG SAUER Ballistic Data XchangeTM (BDX) rangefinder, riflescope, and app has transformed hunting with it’s unprecedented simplicity and accuracy. KILO BDX rangefinders and SIERRA3BDXTM riflescopes combine the power of Applied Ballistics® Data with Bluetooth® technology allowing you to get the most accurate and ethical shot.