SKU CSSI|XISOSBDX33111 Category

Sig Sauer Sierra3 BDX Rifle Scope – 3.5-10x42mm 30mm Illum BDX-R1 Reticle Black Matte

Sig Sauer Sierra3 BDX Rifle Scope - 3.5-10x42mm 30mm Illum BDX-R1 Reticle Black Matte

Sig Sauer Sierra3 BDX Rifle Scope – 3.5-10x42mm 30mm Illum BDX-R1 Reticle Black Matte

$549.99

1 in stock

The SIERRA3BDX riflescope provides the hunter an illuminated auto-holdover dot 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 is incredibly simple to use.

  • 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.
  • 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.

Additional information

Upc

798681587049
Manufacturer

Sig Sauer
Manufacturer part number

SOSBDX33111
Eye relief

3.50''
Length

12.8''
Objective size

42mm
Reticle

BDX-R1
Shipping weight

2.89

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BJ Firearms LLC is a federally licensed firearms business focused on providing quality firearms, accessories, and related services while promoting responsible ownership, education, and community engagement.

The company was founded to serve firearm enthusiasts with knowledgeable service, real-world experience, and a commitment to professionalism and safety.

We focus on real experience, personalized service, hands-on product knowledge, and community involvement — not just sales. Our goal is to help customers make informed decisions and feel confident with their equipment.

Yes. We operate as a federally licensed firearms dealer (FFL), following all applicable federal, state, and local regulations.

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Yes. We partner with content creators and industry professionals to provide real-world insights and experiences.

We work with everyone — from first-time buyers to experienced enthusiasts. Education and guidance are a big part of what we do.

We offer firearms, accessories, gear, and related equipment depending on availability and customer needs.

Yes. We help customers evaluate their needs, experience level, and intended use to find the right fit.

Yes. Depending on the request, we can help source specific products or assist with custom configurations.

Yes. We actively engage in hands-on experiences, demonstrations, and community-related firearm activities when possible.

Yes. We support content that helps people learn about equipment, safety, and responsible firearm ownership.

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