The TANGO4 is designed for todays common MSR/AR and bolt action platforms. The TANGO6 riflescope is the ideal solution for precision shooting, tactical engagements and long range hunting. The TANGO6 features low-light performance, LockDown Zero System turrets with zero stop and reset, intuitive rotation counter for extreme long range shooting, MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not, Illuminated reticle with 8 daylight and two night vision settings.