The Sig Sauer SIERRA3BDX Rifle Scopes integrate the power of the SIG SAUER BDX Ballistic Data Xchange system into the traditional riflescope form factor. This advanced system combines ballistics, environmental conditions, and Bluetooth technology to illuminate the exact holdover dot on targets, providing shooters with precise aiming points. When paired with a BDX-capable KILO rangefinder, these riflescopes automatically generate an illuminated auto-holdover dot on targets, enhancing accuracy and efficiency for hunters and shooters.The Sig Sauer SIERRA 3 BDX Scopes feature high-quality SpectraCoat lenses for exceptional clarity and light transmission, ensuring a clear and bright sight picture even in challenging lighting conditions. Additionally, they incorporate innovative features such as the KinETHIC kinetic energy transfer indicator and LevelPlex digital anti-cant system, further enhancing their usability and effectiveness in the field.Available in multiple variants, including 2.5-8X32 mm, 3.5-10X42 mm, 4.5-14X44 mm, 4.5-14X50 mm, and 6.5-20X52 mm, Sig Sauer SIERRA 3 BDX Riflescopes cater to a wide range of shooting needs and preferences. Whether for hunting or long-range precision shooting, these riflescopes offer reliable performance and advanced features to meet the demands of discerning shooters.