Sig Sauer SIERRA3BDX 6.5-20x52mm SFP Riflescope with BDX-R1 Digital Ballistic Reticle
The Sig Sauer SIERRA3BDX is a 6.5-20x riflescope built around the BDX (Ballistic Data Xchange) system, pairing via Bluetooth to compatible rangefinders to illuminate the correct holdover and windage on the BDX-R1 Digital Ballistic Reticle.
This model features a 52mm objective, 30mm main tube, second focal plane (SFP) reticle system with an OLED illuminated ballistic holdover dot, side-focus parallax adjustment, MOTAC (motion-activated illumination), and LevelPlex digital anti-cant.