Digital reticle with 194 LEDs
According to the manufacturer the BDX-R2 Digital consists of 194 individually controlled LEDs on a digital focal plane.
Technical Data
Riflescope · digital reticle
Sig Sauer SIERRA4-BDX Riflescope 4-16x44 BDX-R2 Digital
4–16x44 riflescope with 30 mm main tube and a digital BDX-R2 reticle that shows an illuminated holdover dot with BDX rangefinders.
4–16×Magnification
44 mmObjective
30 mmMain tube
644 g (22.7 oz)Weight
This configuration
This version has the digital BDX-R2 reticle with 194 LEDs.
Features in practical use
BDX Ballistic Data Xchange
According to the manufacturer the riflescope pairs with BDX-equipped rangefinders (KILOBDX named) and displays an illuminated holdover dot for the measured distance.
BDX-R2 digital reticle
The digital reticle consists of 194 individually controlled LEDs on a digital focal plane.
SmartBDC
Onboard ballistic groups can be selected or customised.
Bluetooth antenna
According to the manufacturer the improved Bluetooth antenna provides connectivity up to 30 yards (about 27 m), for example for shooter and spotter pairs.
Lumatic OLED display
According to the manufacturer the OLED display has a large dynamic range: bright enough for sunlight or snow, dimming to near night-vision levels.
4–16x magnification, 30 mm tube
The riflescope has a 30 mm main tube and, according to the manufacturer, up to 95% light transmission.
Coated lenses
LensArmor coatings keep the lenses abrasion resistant and SpectraCoat coatings greatly reduce reflections across the visible spectrum (manufacturer's statements).
Waterproof to IPX7
According to the manufacturer the riflescope is waterproof to IPX7.
Reticle design
BDX-R2 Digital
Hold points below the centre
The manufacturer drawing shows a field of dots below the crosshair centre and, within it, an orange highlighted hold point below the centre.
Distance-specific hold point
With a BDX rangefinder the reticle shows a hold point for the target distance, ballistics and environmental conditions.
Illuminated
The reticle is illuminated; power comes from two CR2032 batteries.
Included items
- Riflescope
- 2 CR2032 batteries
- Quick start guide
Matching products
Rings or mounts for a 30 mm main tube are required; height and rail system are selected separately. A mount is not included.
* Firearms, mounts and other accessories shown are not included unless they are expressly listed. The selected product variant and the described scope of delivery are decisive.
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Manufacturer according to GPSR
Sig Sauer
Sig Sauer
