With a 4:1 zoom first-focal plane design, illuminated glass reticles, 30mm tube and revolutionary LockDown Zero System, TANGO4 rifl escopes are the ideal solution for mid to long range tactical engagements, designated marksmen, and hunting. A unified industrial design integrates functional components like LockDown Zero System (lockable turrets) and MOTAC (Motion Activated Illumination). Includes one free SBT (SIG Ballistic Turret) custom-lasered elevation dial calibrated to your unique ballistics and environmental conditions.