Sig Sauer  |  SKU: RSR-SGSOSBDX63111

Sig Sauer - SIERRA6BDX 3-18x44mm Riflescope, BDX-R2, SFP

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Description

Smart, lightweight precision for any season. The Sig Sauer SIERRA6BDX 3-18x44mm (SFP) packs award-winning SIERRA technology and BDX 2.0 into a compact, ultra-light optic built for centerfire rifles, muzzleloaders, shotguns, and crossbows. Pair it with a BDX-enabled rangefinder to get an automatic, ballistic-specific holdover dot—bringing Applied Ballistics® intelligence straight to the field without a phone.

 

 

Key Features

  • Integrated BDX® Ballistic Data Xchange 2.0 with up to 95% light transmission
  • Advanced HDX® 6x optical system for bright, sharp images across the zoom range
  • Automatic holdover dot on a Digital Focal Plane with BDX-R2 reticle
  • Ballistic profiles for centerfire, muzzleloader, and crossbow platforms
  • LevelPlex™ digital anti-cant with Auto LevelPlex mode for steadier shots
  • KinETHIC™ indicator helps confirm ethical energy delivery on target
  • IPX-7 waterproof and fog-proof; argon purged for long-term reliability
  • Compact, lightweight build designed for ultralight rifle and multi-platform use

Specifications

  • Magnification: 3–18x
  • Objective Lens Diameter: 44 mm
  • Maintube Diameter: 30 mm
  • Focal Plane: Digital (BDX holdover on digital focal plane)
  • Reticle: BDX-R2; Illumination: Yes (10 daytime settings)
  • Total Elevation/Windage Travel: 60 MOA / 60 MOA
  • Travel per Rotation: 20 MOA
  • Parallax: Adjustable
  • Eye Relief: 3.7 in (low) / 3.9 in (high)
  • Field of View @100 yd: 34.9 ft (low) / 5.8 ft (high)
  • Diopter Adjustment Range: ±2
  • Internal Gas Purge: Argon
  • Ocular Outer Diameter: 1.61 in
  • Weight: 23.8 oz
  • Color: Black
  • Mount Included: No
  • Battery: (2) CR2032
  • Waterproof Rating: IPX-7 (immersion to 1 m)

Ideal Uses

  • Backcountry and ultralight hunting where size, weight, and fast ballistic holds matter
  • General-purpose rifles needing smart holdovers for mid- to long-range precision
  • Muzzleloader and crossbow setups leveraging BDX ballistic profiles

SEO/Longtail Keywords: SIERRA6BDX 3-18x44 riflescope, BDX-R2 digital focal plane scope, LevelPlex anti-cant hunting optic, BDX 2.0 ballistic holdover scope, ultralight 30mm tube scope.

 

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Frequently Asked Questions

How does the BDX 2.0 technology enhance the performance of the SIERRA6BDX riflescope?

BDX 2.0 technology in the SIERRA6BDX riflescope provides an automatic, ballistic-specific holdover dot by integrating with a BDX-enabled rangefinder. This feature allows shooters to receive real-time ballistic data without needing a smartphone, which is particularly beneficial in dynamic hunting scenarios. The technology simplifies long-range shooting by calculating the exact holdover needed for a specific shot, reducing the guesswork and increasing accuracy.

What makes the SIERRA6BDX suitable for ultralight hunting?

The SIERRA6BDX riflescope is designed with a compact and lightweight build, making it ideal for ultralight hunting expeditions. Weighing only 23.8 ounces, it minimizes the load on your rifle, allowing for greater mobility and comfort during long treks. Its advanced optical system ensures bright, sharp images, crucial for identifying targets in challenging backcountry environments.

Can the SIERRA6BDX be used in adverse weather conditions?

Yes, the SIERRA6BDX is built to withstand adverse weather conditions, thanks to its IPX-7 waterproof rating and argon purging. This ensures it remains functional even when submerged in water up to one meter deep. The fog-proof design prevents internal fogging, maintaining clear visibility in humid or rapidly changing temperatures, which is critical for maintaining accuracy in unpredictable environments.

How does the LevelPlex technology benefit shooters using the SIERRA6BDX?

LevelPlex technology in the SIERRA6BDX provides digital anti-cant detection, ensuring that your rifle is perfectly level before taking a shot. This is crucial for precision shooting, as even a slight cant can result in a miss at long distances. The Auto LevelPlex mode offers real-time feedback, helping shooters maintain consistency and accuracy, especially in uneven terrain.

What platforms is the SIERRA6BDX compatible with?

The SIERRA6BDX is versatile, supporting a variety of platforms including centerfire rifles, muzzleloaders, shotguns, and crossbows. This adaptability makes it a valuable tool for hunters and shooters who use multiple weapon types. The scope's ballistic profiles are tailored to these platforms, providing precise holdover calculations for each, enhancing accuracy and performance.

What is the significance of the BDX-R2 reticle in the SIERRA6BDX?

The BDX-R2 reticle in the SIERRA6BDX is a digital focal plane reticle that provides automatic holdover dots based on ballistic data. This feature allows for quick target acquisition and precise shot placement without manual adjustments. The reticle's illumination settings enhance visibility in various lighting conditions, ensuring that the shooter can maintain focus on the target.

How does the SIERRA6BDX handle low-light conditions?

The SIERRA6BDX is equipped with an advanced HDX optical system that delivers up to 95% light transmission. This high level of light transmission ensures bright and clear images even in low-light conditions, such as dawn or dusk. This capability is essential for hunters who need to maximize their effective shooting hours without compromising on image quality.

What are the limitations of the SIERRA6BDX in terms of range and magnification?

The SIERRA6BDX offers a magnification range of 3-18x, which is suitable for mid- to long-range shooting. While this range covers most hunting and shooting scenarios, extremely long-range shots may require additional equipment or higher magnification scopes. The 44mm objective lens provides a balance between light gathering and size, though larger lenses might be preferable in very low-light conditions.

Is the SIERRA6BDX easy to mount on different firearms?

The SIERRA6BDX does not include a mount, but its 30mm maintube diameter is compatible with a wide variety of mounting solutions. This allows users to select mounts that best fit their specific firearm and shooting needs. It's important to choose a mount that can handle the recoil of your firearm to maintain zero and ensure consistent accuracy.

How does the KinETHIC feature contribute to ethical hunting with the SIERRA6BDX?

The KinETHIC feature in the SIERRA6BDX helps hunters ensure ethical energy delivery on target by indicating whether a shot will deliver sufficient energy for a humane kill. This is particularly valuable for hunters who prioritize ethical hunting practices, as it provides real-time feedback on shot viability. By using this feature, hunters can make informed decisions to avoid wounding game unnecessarily.