KAC's line of Backup Iron Sights are currently in use by the United States Army, Marine Corps and numerous law enforcement agencies worldwide. The highly versatile 200-600 Meter Folding Rear Sight features a finger-adjustable, rotating drum that enables shooters to engage targets from 200 to 600 meters with both speed and accuracy. Specifications:
Zeroing Tips:
25/300 Meter Zero: Place a target 25 meters down range. Turn the rear sight drum to the “Z” setting and fire a 3 round group(s). Adjust the front sight post and rear sight windage knob until the desired point-of-aim/point-of-impact is achieved. If possible, turn the rear sight drum to the “3” setting and confirm zero at 300 meters. 50/200 Meter Zero: Place a target 50 meters down range. Turn the rear sight drum to the “2” setting and fire a 3 round group(s). Adjust the front sight post and rear sight windage knob until the desired point-of-aim/point-of-impact is achieved. If possible, place a target 200 meters down range and confirm zero.