Sig Sauer SIERRA6BDX 3-18X44mm BDX-R2 Riflescope

The Sig Sauer SIERRA6BDX 3-18x44mm Riflescope is compact, lightweight, and designed to pair perfectly with any hunting rifle. It has unique features like Sig’s BDX 2.0, LevelPlex, and Kinetic Energy Indicator technology.


Regular price $1,029.99
Sale price $1,029.99 Regular price
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only 1 left in stock

Why we like this product

  • 3-18x power variability is arguably the perfect range of power for a western hunting riflescope
  • Integrated BDX 2.0 provides an automatic hold-over dot on a Digital Focal Plane when paired with a BDX rangefinder
  • Advanced HDX 6x optical system with up to 95% light transmission
  • Ballistic profiles compatible with centerfire, muzzleloader, and crossbow platforms
  • Innovative KinETHIC (Kinetic Energy Transfer Indicator) allows you to set thresholds for ft-lbs and fps to ensure an ethical harvest
  • Dependable waterproof and fog-proof performance with an IPX-7 rating for complete immersion in up to 1 meter of water
  • Argon purged for a lifetime of enhanced performance
  • Levelplex with auto Levelplex mode utilizes an integrated digital level with cant indicators

Using the BDX technology, the SIERRA6 family of riflescopes provides hunters or marksmen with an auto-holdover dot specific to their ballistics, target, and environment. Pairing a SIERRA6 to a BDX-equipped rangefinder allows users to bring the capability of Applied Ballistics into the field without the need for a mobile device. The SIERRA6 features LevelPlex a digital anti-cant system that utilizes an integrated digital level with cant indicators inside the riflescope that are 6x more accurate than a traditional bubble level. A new and innovative KinETHIC Kinetic Energy Indicator allows the shooter to set a threshold in either ft-lbs or fps for an ethical harvest of game animals. The BDX system will compute the distance ranged and will indicate to the shooter when you drop below those set thresholds so you know not to take the shot until you can close more distance. The 3-18 power variability of the scope is the perfect all-round scope power allowing for target acquisition in thick cover and longer, cross-canyon shots. Paired with a 44mm objective and 30mm main tube this Sierra6 scope is built to be lightweight and perfect on any mountain gun. Create your own package with this scope and a Kilo rangefinder for dominant performance in the field.

Magnification Range 3 - 18x
Objective Diameter 44 mm
Weight 1 lb 7.8 oz
Tube Diameter 30 mm
Reticle BDX-R2
Focal Plane Digital
Adjustment Increments
0.25 MOA
Total Elevation Travel
60 MOA
Total Windage Travel 60 MOA
Field of View @ 100 yards 5.8' - 34.9'
Eye Relief 3.7" - 3.9"
Illumination Yes, 8 brightness settings with 2 night vision compatible settings
Manufacturer Warranty Sig Sauer Infinite Guarantee on the optical system with a 5-year limited warranty on the electronic components
Sig Sauer

Sig Sauer SIERRA6BDX 3-18X44mm BDX-R2 Riflescope


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