SIG SAUER's TANGO6T series of riflescopes has rapidly become the U.S. Military standard for Low-Power Variable Optics (LPVOs), delivering fast target acquisition and extreme performance at both close and mid-ranges. The TANGO6T DVO is the latest variant now available to shooters and hunters, designed for today's common MSR/AR and bolt action platforms, featuring an illuminated Hellfire reticle as well as industry-leading light transmission and optical clarity. The TANGO6T is complete with Sig's HDX optical system for extreme clarity and low-light performance, HellFire fiber optic and glass-etched illuminated reticles, and first or second-focal plane designs.HDX optics extra-low dispersion glass (ED) combined with high transmittance glass (HT) provide industry-leading light transmission and optical clarity for any situation6x Super-Zoom Advanced Optical SystemFast Focus Eyepiece vNight Vision (NV) Illuminated reticle settings with locking illumination dialLaser engraved mounting line to align riflescope to scope ringsDependable waterproof (IPX-8 rated for complete and continuous immersion at 20 meters ) and fog-proof performancePower selector ring throw lever included with all modelsCovered by SIG SAUER's INFINITE Guarantee and Electronics Limited Warranty, see website for full detailsAssembled in SIG SAUER optics factory in Wilsonville, Oregon, USAComes with the ALPHA4 mount, lay-flat flip backs and Anti Reflection Device (ARD) to reduce glare and reflections when looking through the lens