The Sig Sauer TANGO-MSR LPVO rifle scope is a high-quality, low power variable optic, second focal plane (SFP) scope with Illuminated BDC6 reticle that is ideal solution for precision shooting, tactical engagements and long range hunting. It is designed for MSR/AR and bolt action platforms and boasts 1-8x magnification and 24mm objective lens diameter. Its 30mm one-piece main tube offers confident target acquisition. The TANGO-MSR provides optical clarity for all situations with HDX(TM) optics extra-low dispersion glass (LD) combined with high transmittance glass (HT) for industry leading light transmission. It is completely immersible in up to 1 meter of water with its IPX-7 rating. The MOTAC(TM) (Motion Activated Illumination) offers optimal operational safety and enhanced battery life by powering up when it senses motion and powering down when it does not. The LockDown(TM) Zero System features a resettable zero, zero-stop and auto-locks down at zero. It weighs in at a 18.6 oz. and uses one CR2032 battery. This is an original Sig Sauer part featuring rugged tactical turrets to survive heavy use and abuse. The Sig Sauer TANGO6 scope is perfect for the shooter looking for a reliable, rugged and highly operational scope for all scenarios at mid to long range.Features: HDX(TM) optics extra-low dispersion glass (LD) and high transmittance glass (HT) Offered in second focal plane (FFP) 1-8x24mm magnification MOTAC(TM) (Motion Activated Illumination) IPX-7 rated for complete immersion up to 1 meter Fog-proof performance LockDown(TM) Zero System features a resettable zero, zero-stop and auto-locks down at zero. T120 Tactical Turrets with 120 clicks per rotation (12 MRAD or 30 MOA) MSR BDC6 reticle with illuminationSig Sauer is a world-renowned firearms manufacturer with a rich history of innovation and design leadership. No other firearms manufacturer is so highly regarded and so universally respected for the quality, reliability, and safety of its products. Since 1864 they have expanded their product line to include suppressors, optics, ammo, and airguns to provide customers with a greater range of firearms and equipment.