Knight's Armament Company (KAC) Folding Adjustable Rear Sight - 600 Meter

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: Material: Steel Elevation Adjustable: Yes Windage Adjustable: Yes Note:Once zeroed by one of the above methods, the rear sight's 200, 300, 400, 500, and 600 meter range marks may be used for engaging targets at those distances. However, because the range markings are averaged between rifle and carbine barrel lengths, the exact point-of-aim/point-of-impact sight settings may differ a click or two for a given rifle.