Sig Sauer SIERRA4BDX 4-16x44mm, 30mm Main Tube, Second Focal Plane, BDX 2.0 Ballistic Data Xchange Riflescope

Details The all-new SIERRA4-BDX™ riflescope simplifies shooting at distance by connecting to BDX-equipped rangefinders to deliver an illuminated holdover dot specific to your target distance, ballistic performance, and environmental conditions. With a digital focal plane and 194 LED hold points, the SIERRA4-BDX brings unmatched accuracy, connectivity, and clarity to the field. BDX™ Ballistic Data Xchange Technology: Pairs with KILOBDX™ rangefinders to calculate and display an exact holdover dot using real-time ballistic and environmental data. BDX-R2 Digital Reticle: 194 individually controlled LEDs on a digital focal plane for hyper-precise aiming. SmartBDC™ Technology: Choose from 9 onboard ballistic groups or customize your setup for total control. Advanced Bluetooth® Antennae: Improved connectivity up to 30 yards — perfect for shooter-spotter pairs when terrain dictates your position. Rugged Performance: Waterproof (IPX7), 30mm main tube, and ultra-clear optical system with up to 95% light transmission.