Enter a new age of optics with the SIG SAUER SIERRA3 BDX Rifle Scope. It may look like a traditional rifle scopea |but it's much more than meets the eye. First, HDX advanced optics with HD glass and SpectraCoat ultra-wide broadband lens coatings take clarity and color to a new level of excellence. Plus, LevelPlex digital anti-cant and KinETHIC kinetic energy transfer indicator technologies provide at-a-glance visibility for essential data. But the real leap forward is provided by integrated BDX Ballistic Data Exchange technology. Compatible with SIG's BDX-enhanced series of rangefinders, BDX technology simplifies targeting by combining the ballistics, environmental conditions and Bluetooth functionality to calculate the holdover dot on a Digital Focal Plane. The result is consistent, repeatable accuracy without having to readjust settings, which saves critical seconds that can mean the difference between success and failure. SIG SAUER Electro-Optics Infinite Guarantee SIG SAUER Infinite Guarantee is an Unlimited Lifetime Guarantee that is fully transferable. There is no time limit, no charge and no receipt required. SIG SAUER will repair or replace your optic in the event it becomes damaged or defective, at no charge to you. If SIG SAUER cannot repair your product, they will replace it with a product in perfect working order of equal or better physical condition. It doesn't matter how it happened, whose fault it was, or where you purchased it. HDX advanced optical systems with High Definition (ED) and High Transmittance (HT) glass provide ultra-high resolution and light transmission MOTAC motion sensing technology powers up the illumination when needed to extend battery life SpectraCoat ultra-wide broadband anti-reflection lens coatings reduce surface reflections to extremely low levels across the entire visible spectrum Innovative KinETHIC kinetic energy transfer indicator shows you when the energy to target drops below &#