CERTIFIED REFURBISHED
SIG SAUER Certified Refurbished Electro-Optics are backed by our Infinite Guarantee/limited lifetime warranty. Every SIG SAUER Certified Refurbished product undergoes a detailed refurbishment process including full function testing. Certified Refurbished items may have slight cosmetic blemishes, slight damage to the boxes, or be used as display models for events, which do not affect the performance of the product.
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 | 4-16x |
|---|---|
| Objective Lens Diameter | 44 mm |
| Overall Length | 12.0 in |
| Weight | 22.7 oz. |
| Maintube Diameter | 30mm |
| Total Elevation Travel | >70MOA |
| Total Windage Travel | >70MOA |
| 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 |
Infinite Guarantee
LensArmor™
Lumatic™
SpectraCoat™
Stealth ID™
Ballistic Data Exchange 2.0
Angled Modified Range™
Applied Ballistics
- SIERRA BDX RIFLESCOPE OWNER'S MANUAL
