Designed for today's common MSR/AR and bolt-action platforms, the Tango6 2-12x40mm riflescope is the ideal solution for mid-range tactical engagements and hunting. This scope features 6x optical zoom with innovative lockable LockDown Zero System adjustments and illumination in a 30mm one-piece maintube. The Tango6 includes one SBT (SIG Ballistic Turret) custom-lasered elevation dial matched to your ballistics and environmental conditions. Sig's HDX optics which combine extra-low dispersion glass (HD) with high-transmittance glass (HT) provides industry-leading light-transmission and optical clarity for any situation while MOTAC motion-sensing technology for auto-off/wake-up ensures optimum battery life and performance. This model is offered in first focal plane and uses an MRAD illuminated reticle. This model features dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fogproof performance.