Sig Sauer Sierra3 BDX 4.5-14x44mm BDX-R1 Digital, Black

The SIERRA3 BDX 4.5-14x44mm riflescope from Sig Sauer integrates the BDX Ballistic Data Xchange system to provide an illuminated auto-holdover dot when paired with a BDX-capable KILO rangefinder. It combines digital features such as LevelPlex anti-cant and an OLED holdover dot with traditional optics design. The scope is designed for hunters and precision shooters who want a straightforward digital holdover solution in a familiar riflescope form factor.

Key Specifications

• Magnification is 4.5-14x to cover a wide range of shooting distances.
• Adjustment increments are set at 0.25 MOA for elevation and windage adjustments.
• Reticle is the BDX‑R1 Digital reticle featuring an OLED illuminated holdover dot.
• Battery power is provided by (2) CR2032 cells as listed in the manufacturer data.
• Focal plane is the Second focal plane configuration.
• Tube diameter is 30 mm as listed in the provided specifications.
• Water resistance is rated at IPX-7 for immersion up to 1 meter.
• Optical coatings include SpectraCoat ultra-wide broadband anti-reflection coatings.
• Features include MOTAC motion-activated illumination and KinETHIC kinetic energy transfer indication.

The SIERRA3 BDX pairs advanced digital ballistic integration with reliable optical performance to simplify holdover and shot planning in the field. Its motion-activated illumination and digital holdover dot reduce interface complexity, while SpectraCoat lenses and waterproof construction support use in varied environmental conditions. For shooters seeking a modern, feature-rich riflescope that retains familiar handling and straightforward operation, the SIERRA3 BDX delivers a balanced mix of optics and ballistics-driven digital assistance.