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Features
Details
The all-new SIERRA4-BDX™ riflescope simplifies shooting at distance by connecting to BDX-equipped rangefinders to deliver an illuminated holdover dot specific to your target distance, ballistic performance, and environmental conditions. With a digital focal plane and 194 LED hold points, the SIERRA4-BDX brings unmatched accuracy, connectivity, and clarity to the field.
- BDX™ Ballistic Data Xchange Technology: Pairs with KILOBDX™ rangefinders to calculate and display an exact holdover dot using real-time ballistic and environmental data.
- BDX-R2 Digital Reticle: 194 individually controlled LEDs on a digital focal plane for hyper-precise aiming.
- SmartBDC™ Technology: Choose from 9 onboard ballistic groups or customize your setup for total control.
- Advanced Bluetooth® Antennae: Improved connectivity up to 30 yards — perfect for shooter-spotter pairs when terrain dictates your position.
- Rugged Performance: Waterproof (IPX7), 30mm main tube, and ultra-clear optical system with up to 95% light transmission.
Specifications
| Magnification | 6-24x |
|---|---|
| Objective Lens Diameter | 50 mm |
| Overall Length | 13.9 in |
| Weight | 24.4 oz. |
| Maintube Diameter | 30mm |
| Total Elevation Travel | >48MOA |
| Total Windage Travel | >48MOA |
| Travel Per Rotation | 25 MOA |
| Eye Relief Low (IN) | 3.24 |
| Eye Relief High (IN) | 2.44 |
| Field of View Low (FT @ 100 Yards) | 0.8- 3.33 |
| Field of View High (FT @ 100 Yards) | 1.25-5 |
| Diopter Adjustment Range | +/- 2 |
| Color | Black |
| Mount Included | No |
| Battery | (2) CR2032 |
| Focal Plane | Digital |
| Reticle | BDX-R2 Digital Ballistic Reticle w/194 LEDS |
| Illumination | Yes |
Technology
Infinite Guarantee
SIG SAUER Electro-Optics are guaranteed forever. It's an unlimited lifetime guarantee.
LensArmor™
Abrasion-resistant lens coatings for extreme durability ensure the lenses on your scope will stay sharp, bright, and clear.
Lumatic™
The most advanced display on the market. Our OLED (Organic Light Emitting Diode) display has the largest dynamic range providing for high brightness in bright sunlight or snow conditions, yet will dim down to near nightvision levels at dusk and dawn. No other display offers this adaptive ability to prevent your pupil from constricting in low-light causing you to no longer be able to see your target.
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.
Ballistic Data Exchange 2.0
Ballistic Data Exchange is a rangefinder and riflescope system that uses your ballistics, environmental conditions and Bluetooth to illuminate the exact holdover dot. BDX 2.0 is the Software Update that includes a new easy mode for quick BDX setup out of the box, including: BDX kits come paired and bonded. BDX Quickbond™ system gives users the ability to bond two BDX enabled devices without the smartphone app. BDX equipped KILO™ rangefinders preloaded with ballistic groups for centerfire rifles, muzzleloaders and crossbows. 100% compatible with BDX smartphone app to access the advanced BDX features in configuration options.
Angled Modified Range™
Angled Modified Range technology uses an onboard inclinometer that reads the incline/decline angle and modifies the effective ballistic shooting range to the target. AMR is the equivalent horizontal range and integrates perfectly when used in combination with SIG Ballistic Turret Dials.
Applied Ballistics
Resources
- SIERRA BDX RIFLESCOPE OWNER'S MANUAL
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