Sig Sauer Sierra3 BDX Rifle Scope – 6.5-20x52mm 30mm Illum BDR-X1 Digital Reticle Illum 2nd Focal – Black
$725.77
The Sig Sauer Sierra3 BDX 6.5-20x52mm riflescope features BDX Ballistic Data Xchange technology for precise shooting. Its illuminated auto-holdover dot and advanced optics make it ideal for hunting and long-range shooting.
Out of stock
Disguised within the form factor of a traditional riflescope lies the power of the SIG SAUER BDX Ballistic Data Xchange. 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. Range a target put the holdover dot on target pull the trigger impact. SIG SAUER?s BDX just CONNECT THE DOT
- 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 xacross 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.
| Weight | 3.220 lbs |
|---|---|
| Dimensions | 17.000 × 5.750 × 4.200 in |
| Manufacturer | Sig Sauer |
| Finish | Black |
| Magnification | 6.5-20x |
| Objective Lens | 52mm |
| Reticle | BDR-X1 Digital |
| Tube Diameter | 30mm |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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