Crossbow Ballistic Data Xchange (BDX) Optics System

SIG SAUER Electro-Optics Partners with Mission Crossbows

“BDX is simple, fast, and intuitive – just connect the dot.”

SIG SAUER Electro-Optics Partners with Mission Crossbows. Revolutionary new Crossbow Ballistic Data Xchange (BDX) System.

NEWINGTON, N.H. – SIG SAUER Electro-Optics is pleased to announce an exciting new partnership with Mission Crossbows to bring the revolutionary Ballistic Data Xchange (BDX) Optics System to Crossbow Hunters and Shooters with the addition of the compact SIERRA3BDX 2.5-8x32mm riflescope to the BDX line of riflescopes. Now, all SIERRA3BDX series riflescopes have crossbow capabilities, however, the SIERRA3BDX 2.5-8x32mm ultralight riflescope is the perfect size, weight and magnification range for crossbow configurations, making it possible to reach out well beyond 100 yards, and engage targets with extreme precision.

The SIG SAUER Electro-Optics BDX System combines traditional hunting equipment with technology. BDX is a fully integrated rangefinder and riflescope system that utilizes Applied Ballistics Ultralight and Bluetooth™. The free SIG BDX app for Android and iOS systems allows for Crossbow ballistic profiles to be established. These profiles are then communicated via Bluetooth™ to any SIG SAUER KILO BDX rangefinder. When targets are ranged, the Crossbow ballistics are combined with distance to target, slope, temperature, and pressure to precisely calculate the shooting solution. This solution is displayed in the rangefinder and is also shared instantly with any SIERRA3BDX riflescope, instantly illuminating the exact holdover dot on the reticle in the riflescope. BDX is simple, fast, and intuitive – just connect the dot.

“This is an exciting addition to the BDX line that expands the capabilities of the system by introducing the revolutionary technology of the Ballistic Data Xchange system to crossbow hunters,” said Andy York, President, SIG SAUER Electro-Optics. “Additionally, through this partnership with Mission Crossbows, we were able to expand the functionality of the BDX app to allow for setup and ballistic calculations for various crossbow bolt weight and speed levels, with Crossbow-specific ballistic calculations. This would not have been possible without the knowledge and extensive research and development from the product experts at Mission Crossbows.”

Mission Crossbows is a premium archery company that’s redefining the crossbow experience through modern design to optimize performance. Mission Crossbows are American made and designed, engineered, and manufactured from start to finish in their quality-controlled facility in Sparta, Wisconsin.

SIERRA3BDX Riflescope Specs:

  • Weight: 19.4oz.
  • Adjustment Increments: 0.25MOA
  • Tube Diameter: 30mm
  • Focal Plane: Second
  • Reticle: BDX-R1
  • Illumination: Yes
  • Magnification Increments: 2.5-8x
  • Objective Lens Diameter: 30mm
  • Battery: CR2032

MSRP: $479.97

The SIG SAUER Electro-Optics SIERRA3BDX Riflescope is now shipping and available for purchase at

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