Selected by the U.S. Army for both the Squad Designated Marksman Rifle System and for U.S. Special Forces, the TANGO6T is available in the commercial market. Designed for today's common MSR/AR and bolt action platforms, this scope is the ideal solution for CQB / mid-range tactical engagements, 3 Gun competitions and hunting. The TANGO6T is complete with Sig Sauer'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.Features :6x Super-Zoom Advanced Optical SystemFast Focus EyepieceNight Vision (NV) Illuminated reticle settings with locking illumination dialLaser engraved mounting line to align riflescope to scope ringsPower selector ring throw lever included with all modelsHDX optics extra-low dispersion glass (ED) combined with high transmittance glass (HT)