The SIG Sauer SIERRA6BDX 2-12x40 Rifle Scope is a smart hunting and field optic built around SIG Sauer’s BDX Ballistic Data Xchange technology. Designed for hunters and marksmen who want intelligent ballistic holdover support in a compact scope package, this 2-12x40mm rifle scope combines a versatile magnification range, 40mm objective lens, 30mm maintube, and BDX-R2 Digital Ballistic Reticle.
This SOSBDX62111 model features SIG Sauer’s BDX-R2 Digital Ballistic Reticle with integrated BDX Ballistic Data Xchange 2.0. When paired with a compatible SIG Sauer BDX-enabled rangefinder, the SIERRA6BDX system can provide an intelligent illuminated holdover point based on distance, ballistics, and environmental data, helping reduce manual holdover guesswork in the field.
Built for demanding hunting conditions, the SIERRA6BDX 2-12x40 uses SIG Sauer’s Advanced HDX 6x Optical System, up to 95% light transmission, waterproof and fog-proof performance, argon purging, LevelPlex digital anti-cant technology, and KinETHIC kinetic energy transfer indicator. With 0.25 MOA adjustments, 60 MOA elevation travel, 60 MOA windage travel, and a fixed 100-yard parallax setting, this scope is built for lightweight hunting rifles, shotguns, muzzleloaders, crossbows, and practical field rifle setups.
Ideal For
- Hunting rifles
- Lightweight rifle builds
- Shotgun, muzzleloader, and crossbow configurations
- Shooters using compatible SIG Sauer BDX rangefinders
- Users wanting an intelligent ballistic holdover rifle scope
- Medium-range hunting and field use
- Rifle builds requiring a compact 30mm maintube optic
- Hunters wanting a practical 2-12x40 scope with BDX technology
Key Features
- Compact 2-12x40mm rifle scope
- SFP scope design with BDX-R2 Digital Ballistic Reticle technology
- Integrated BDX Ballistic Data Xchange 2.0
- Pairs with compatible SIG Sauer BDX-enabled rangefinders
- Automatic illuminated holdover dot based on ballistics, range, and environmental data
- Advanced HDX 6x Optical System
- Up to 95% light transmission
- 40mm objective lens for a compact, practical hunting profile
- 30mm maintube
- 0.25 MOA turret adjustments
- 60 MOA total elevation travel
- 60 MOA total windage travel
- 20 MOA travel per rotation
- 100-yard parallax setting
- LevelPlex digital anti-cant system with Auto LevelPlex mode
- KinETHIC kinetic energy transfer indicator
- 10 daytime illumination settings
- Waterproof and fog-proof performance
- IPX7 rated for complete immersion up to 1 metre
- Argon purged for long-term internal protection
- Black finish
- SIG Sauer Infinite Guarantee
Technical Specifications
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Specification
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Detail
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Brand
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SIG Sauer
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Model
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SIERRA6BDX
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SKU / MPN
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SOSBDX62111
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UPC
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798681627998
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Product Type
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Rifle Scope
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Magnification
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2-12x
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Objective Lens Diameter
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40mm
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Maintube Diameter
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30mm
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Focal Plane
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SFP / Digital BDX reticle system
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Reticle
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BDX-R2 Digital Ballistic Reticle
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Reticle Illumination
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Yes
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Illumination Settings
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10 daytime settings
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Adjustment Click Value
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0.25 MOA
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Total Elevation Travel
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60 MOA
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Total Windage Travel
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60 MOA
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Travel Per Rotation
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20 MOA
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Parallax Setting
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100 yards
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Eye Relief, Low Magnification
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3.7 in
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Eye Relief, High Magnification
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3.9 in
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Field of View, Low Magnification
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52.5 ft @ 100 yds
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Field of View, High Magnification
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8.7 ft @ 100 yds
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Diopter Adjustment Range
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+/- 2
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Internal Gas Purge
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Argon
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Battery Type
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2 x CR2032
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Ocular Outer Diameter
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1.61 in
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Overall Length
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10.75 in
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Weight
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21.4 oz
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Finish
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Black
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Mount Included
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No
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Water Resistance
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IPX7
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Warranty
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SIG Sauer Infinite Guarantee / Electronics Limited Warranty
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What’s Included
SIG Sauer SIERRA6BDX 2-12x40mm Rifle Scope
Two CR2032 Batteries
Quick Start Guide
