SIG SAUER SIERRA4 BDX 4-16x44mm 30mm Riflescope

The SIG SAUER SIERRA4 BDX riflescope combines 4-16x magnification with a 44mm objective lens and 30mm main tube. Its illuminated BDX-R2 digital ballistic reticle uses 194 individually controlled LED hold points and can connect with compatible BDX-equipped rangefinders for distance-based holdover information.

BDX technology uses ballistic and environmental data to support an illuminated holdover dot, while SmartBDC provides nine onboard ballistic groups and configurable settings. The scope also features Bluetooth connectivity, an ultra-clear optical system, and a black finish suited to a range of rifle configurations.

Key Specifications

• The magnification range is 4-16x for flexible viewing across varied distances.
• The objective lens measures 44mm to support light-gathering performance.
• The main tube diameter is 30mm.
• The reticle is an illuminated BDX-R2 digital ballistic reticle with 194 LED hold points.
• The scope weighs 22.7 ounces.
• The eye-relief range is listed as 2.44 to 3.24 inches.
• The elevation and windage travel are listed as more than 70 MOA.
• The adjustment travel per rotation is 25 MOA.
• The finish is black.
• The scope uses two CR2032 batteries for illumination.

With its digital reticle, BDX connectivity, broad magnification range, and 30mm tube, the SIERRA4 BDX is a capable optic for shooters seeking integrated ballistic information and precise aiming references in a streamlined riflescope design.