SIG Sauer SIERRA6 BDX 3-18x44mm Rifle Scope Second Focal Plane

The SIG Sauer SIERRA6 BDX 3-18x44mm delivers precision long-range shooting capabilities with integrated ballistic data exchange technology. This second focal plane riflescope combines traditional optical excellence with digital connectivity for enhanced field performance. Advanced shooters gain real-time environmental data integration and ballistic calculations through the proprietary BDX system.

What Makes This Different

The SIERRA6 BDX integrates seamlessly with SIG's ballistic ecosystem, automatically pairing with compatible rangefinders and environmental sensors. Unlike conventional scopes requiring manual adjustments, the BDX system calculates holdover points based on real-time atmospheric conditions, ammunition data, and target distance. The 44mm objective lens gathers maximum light while maintaining a compact profile suitable for tactical and hunting applications.

Key Features

• 3-18x magnification range with second focal plane reticle design
• 44mm objective lens with fully multi-coated optics for superior light transmission
• BDX-R2 digital ballistic reticle with illuminated center dot
• Bluetooth connectivity for automatic ballistic data exchange
• 30mm main tube construction with tactical turrets
• IPX-7 waterproof rating and fog-proof nitrogen purging
• Compatible with Picatinny and Weaver rail systems

Field performance remains consistent across temperature extremes and weather conditions. The scope maintains zero retention through heavy recoil applications while delivering repeatable tracking accuracy. Competition shooters benefit from precise windage and elevation adjustments, while hunters appreciate the low-light optical clarity and rapid target acquisition capabilities. The BDX connectivity eliminates guesswork in long-range engagements by providing instant ballistic solutions.

Technical Specs

• Magnification: 3-18x variable power
• Objective diameter: 44mm
• Tube diameter: 30mm aircraft-grade aluminum
• Eye relief: 3.8 inches consistent across magnification range
• Field of view: 35.8-6.3 feet at 100 yards
• Turret style: Tactical with audible/tactile clicks
• Reticle: BDX-R2 second focal plane with illumination
• Weight: Approximately 24.5 ounces
• Length: 13.4 inches overall
• Waterproof rating: IPX-7 submersible

Professional shooters choose the SIERRA6 BDX for its combination of proven optical performance and cutting-edge ballistic technology. The integrated digital features eliminate calculation errors while maintaining the reliability expected from traditional riflescopes. This scope represents the evolution of precision shooting equipment for serious applications.