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SIG Sauer Electro Optics presents its new BDX technology

New BDX technology from SIG Sauer Electro Optics

05/05/2018 - Exclusive! SIG Sauer Electro Optics introduces its new BDX (Ballistic Data Xchange) optronic technology.  BDX shares ballistc data between a laser rangefinder and a hunting riflescope with electronic reticle using a a smartphone as a hub. MRSP starts at 1200 euros

The Team of all4hunters

The Electro Optics division of US Company SIG Sauer Inc. differs from the segment competition primarily for its strong focus on optoelectronics, offering a wide range of high quality and high-tech products, such as Reflex red dot sights, laser rangefinders, night and thermal riflescopes, in addition to traditional daytime optics.

Andrew W. York, SIG Sauer Electro Optics CEO 
Andrew W. York, SIG Sauer Electro Optics CEO presenting the BDX technology.

As a surprise while attending a recent event centered on the P320-X5 pistol and MCX Virtus rifle at the headquarters of SIG Sauer Inc. in Newington (NH), we have exclusively been able to examine and briefly test a highly innovative technology from this manufacturer, which further strengthens SIG Sauer Electro Optics' position as the market leader, despite the youth of this company.


Ballistic Data Exchange: new Bluetooth enabled optics system

SIG Sauer Kilo 2200DBX laser rangefinder with Bluetooth connectivity
The SIG Sauer Kilo 2200BDX laser rangefinder featuring advanced functions and Bluetooth connectivity.

The technology is called BDX (Ballistic Data Xchange), and is based on a Bluetooth wireless communication protocol to connect different optoelectronic devices and a smartphone running a SIG Sauer proprietary App.

The first practical example of this technology, which will be soon available in all the best gunshops in the US and Europe, is a complete package: the Kilo 2200DBX laser rangefinder and the Sierra 3DBX telescope, connected to each other and a user-supplied Apple or Android phone with the DBX hub App. But many other products are planned, including a thermal riflescope.


SIG Sauer BDX (Ballistic Data Exchange) App 
The SIG Sauer BDX (Ballistic Data Xchange) App running on an Android smartphone, with its simple interface that is essentially used only to set up data and pair Bluetooth SIG Sauer devices with each other.

BDX technology: how the system works

Beyond the riflescope and laser rangefinder specs - impressive as they are, and of which we will detail in upcoming articles - what is interesting is how the system works. Essentially, the user boots the app and enters some basic data (firearm and ballistic data of the ammunition used, devices type, etc.), then connect the two devices (rangefinder and riflescope) and... that's it: you're done and simply put away the smartphone.

Eyepiece of the SIG Sauer Sierra 3DBX 4.5-14x44mm optoelectronic riflescope
Eyepiece of the SIG Sauer Sierra 3BDX 4.5-14x44mm optoelectronic riflescope. The blue LED on the magnifier ring indicates that it is connected to the App.
Turrets on the Sierra 3DBX riflescope
Turrets on the Sierra 3BDX riflescope are used only for basic zero. The left side turret controls parallax, reticle brightness and houses the battery.

Basically, from this moment on, the devices are connected via Bluetooth; the app's interface is for setup only.

The hunter uses the Kilo2200BDX LRF to range the distance from the game; this and other data (for example, site angle) is then processed by the onboard Applied Ballistics Ultralight engine, and sent to the riflescope, which performs necessary ballistic corrections on the electronic reticle (featuring 76 elevation and 18 windage, 1 MOA, hash points).

The SIG Sauer Kilo 2200DBX laser rangefinder.
The SIG Sauer Kilo 2200BDX laser rangefinder.

Blinking LEDs inside the eyepiece and on the magnification setting ring of the Sierra 3BDX riflescope positively confirm that the reticle has received the latest data and updated the ballistic drop before shooting.


Last but not least, the BDX ballistic engine also includes  a kinetic energy transfer indicator: KinETHIC. This system provides assistance in assuring an ethical hunt by indicating when energy on target drops below a threshold that can be set by the hunter using the BDX App.

BDX technology: price and availability

BDX technology will be initially available in the SIERRA3BDX line of riflescopes, with the following magnifications, 3.5-10x42mm, 4.5-14x44mm, 4.5-14x50mm, and 6.5-20x52mm, and the KILO1400BDX, KILO1800BDX, KILO2200BDX, KILO2400BDX laser rangefinders,, and KILO3000BDX rangefinder binocular.


Pricing for a bundle set (Laser rangefinder and riflescope)  is currently set to start at 1200 euros. Individually, prices are approximately 535 euros for the Kilo 2200BDX rangefinder, 894 euros for the Sierra 3BDX 4.5-14x44mm variable magnification daytime riflescope and 999 euros for the samer series riflescope but with 6.5-20x52mm magnification. Availability of BDX products is expected for second quarter 2018.

More detailed information will be available soon. Stay tuned on all4shooters!


For more information, please visit the SIG Sauer USA website. 

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