Sig Sauer Sierra 3 BDX 2.5-8x 32mm Rifle Scope – BDX-R1 Digital





Sig Sauer Sierra 3 BDX 2.5-8x 32mm Rifle Scope – BDX-R1 Digital – The SIERRA3BDX 2.5-8x32mm is a compact and lightweight riflescope designed for ultra-lightweight rifle, shotgun muzzleloader, and crossbow configurations. With the power of the included BDX technology, it provides your exact holdover dot location on targets when coupled with a BDX capable KILO rangefinder. Featuring exceptional SpectraCoat lenses, LevelPlex digital anti-cant, and KinETHIC kinetic energy transfer indicator, the SIERRA3BDX 2.5-8x32mm is incredibly simple to use. Range a target, put the holdover dot on target, pull the trigger, impact.

  • Integrated BDX Ballistic Data Xchange. A rangefinder and riflescope system that uses ballistics, environmental conditions and Bluetooth to illuminate the exact holdover dot.
  • Automatic holdover dot on a Digital Focal Plane, combining Second Focal Plane stadias, with an OLED illuminated ballistic holdover dot that automatically scales with zoom to subtend on target at any magnification level.
  • The updated SIG BDX App now include profiles for crossbow ballistics, through entering bolt weight and speed.
  • Features our MOTAC(Motion Activated Illumination) that powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and enhanced battery life
  • SpectraCoat highly efficient, ultra-wide broadband, anti-reflection lens coatings reduce surface reflections to extremely low levels across the entire visible spectrum providing superior light transmission
  • SIG SAUER’s innovative KinETHIC kinetic energy transfer indicator. KinETHIC provides assistance in assuring an ethical hunt by indicating when energy on target drops below a threshold that can be set by the hunter using the SIG BDX App.
  • New for BDX riflescopes, Auto LevelPlex, automatically increases digital level sensitivity on longer shots
  • Dependable waterproof (IPX-7 rated for complete immersion up to 1 meter) and fog-proof performance
  • The SIERRA3BDX is covered by SIG SAUER’s INFINITE Guarantee and Electronics Limited Warranty, see website for full details 
  • SIG BDX APP Now includes the ability to create multiple profiles for both firearms and crossbow ballistics.




Length 11.59in
Reticle BDX-R1 Digital
Model SOSBDX32111
Type Rifle Scope
Eye Relief 4.21in – 3.46in
Fov100 39.8ft – 13.2ft at 100 Yards
Magnification 2.5-8x
Objective Diameter 32mm
Color Black
Adjustment 1/4 MOA
Finish Anodized
Focal Plane Second Focal Plane
Illuminated Reticle Yes
Max Elevation 80 MOA
Max Windage 80 MOA
Product Line Sierra 3 BDX
Tube Diameter 30mm
Weight 19.4oz


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Sig Sauer Sierra 3 BDX 2.5-8x 32mm Rifle Scope – BDX-R1 Digital
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