Sig’s New SIERRA6BDX Rifle Scope Extends Long-Range Precision

Most people focus on Sig Sauer’s vast array of badass blasters.

From the X5 Legion to the P365 SAS to the CROSS rifle, the New Hampshire-based gunmaker remains one of the most innovative firearms companies out there.

But one division of Sig that’s quietly pushing the industry forward is its Electro-Optics shop. With a host of red dots, tubed scopes, and range finders, Sig runs the gamut of a precision shooter’s needs.

The Electro-Optics team shook the market a couple of years ago with the introduction of its line of BDX scopes and range finders. Basically these rifle optics tie the scope and range finder to a smartphone app that can help a shooter calculate holdovers for more accurate first shots.

Read More: An in-depth review of the Sig Sauer P320 handgun

Over the intervening months, the company has released several models of scopes that inch up the range of the BDX system, recently releasing a new 6x version, dubbed the SIERRA6BDX.

Here’s what Sig has to say:

SIG SAUER Electro-Optics is pleased to introduce the addition of the SIERRA6BDX super zoom riflescope line to the Ballistic Data Xchange (BDX) family of products.  The SIERRA6BDX riflescopes bring the advanced and streamlined features of BDX 2.0 to a premium super zoom HDX optic.  Designed for hunters by hunters, the SIERRA6BDX has been optimized for every rifle and ammunition, but also works exceptionally well on the new Sig Sauer CROSS rifle platform with Sig Sauer hunting Elite Hunter ammunition.

“Our mission with the new SIERRA6BDX riflescope line was to bring all of the advanced features of the BDX 2.0 platform to a premium 6X zoom system,” said Andy York, President, SIG SAUER Electro-Optics.  “These scopes feature HDX high transmission and high definition optical design, 6X magnification ranges, up to 95% light transmission, thinner Digital Focal Plane BDX-R2 hunting reticle with 194 LEDs with wind holds, and up to 30 yards of Bluetooth range to BDX connected rangefinders.”

The SIG SAUER Electro-Optics BDX System combines traditional hunting equipment with technology.  BDX 2.0 takes all of the advanced Applied Ballistics Ultralight and Bluetooth technology and adds simplified, and easy to use, functionality to get hunters and shooters on target with unprecedented speed and accuracy. New features of BDX 2.0 include nine pre-loaded, user-selectable Ballistic Drop Compensation (BDC) reticles in all SIERRA Riflescopes, eight ballistic groups pre-loaded in KILO BDX rangefinders and the QuickBOND feature that allows for quick bonding of BDX rangefinders and scopes without the use of a smartphone app. The BDX 2.0 System is simple, fast, and intuitive – Just Connect The Dot.

The SIG SAUER Eletro-Optics SIERRA6BDX family of riflescopes is available in 3 different zoom ranges, 5-30x56mm, 3-18x44mm, and 2-12x40mm.  Each features the SmartBDX reticle technology with up to 95% light transition.  Other innovative features include KinETHIC, Kinetic Energy Transfer Indicator for ethical shots on target, and LevelPlex, an internal digital level which allows users to eliminate cant in their shooting system.

It’s relevant that Sig mentions the CROSS rifle in this release as that rifle (if you believe the hype) promises to reach out and touch targets at very competitive ranges — particularly in its 6.5 Creedmoor and .277 Fury chamberings.

The SIERRA6BDX is optimized for Sig Sauer's new long-range CROSS bolt-action rifle. (Photo by Sig Sauer)
The SIERRA6BDX is optimized for Sig Sauer’s new long-range CROSS bolt-action rifle. (Photo by Sig Sauer)

In its initial rollout, the BDX systems were a cool idea but needed some fleshing out. A couple years on, the bugs have been ironed out and it’s proven to be a great option for a wide range of precision shooters and hunters who want first shot accuracy.

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