How to Use BDX Riflescopes and Rangefinders
This guide details the setup and operation of the SIG SAUER Ballistic Data Exchange (BDX) system, integrating the KILO rangefinder, SIERRA3BDX riflescope, and BDX smartphone app. It covers inputting ballistic data, syncing devices, and utilizing features like automatic holdover adjustments and digital reticles for enhanced shooting accuracy. The system offers three distinct operational modes for user preference.













