KAC's line of Backup Iron Sights is currently used by the United States Army, Marine Corps, and numerous law enforcement agencies worldwide. KAC's simple and rugged 300-meter-style folding rear sight is built to be economical as well as low-profile compared to the adjustable 200?600-meter style rear sight, it features a fixed post aperture that is ideal for shooters who want an easy-to-use, close to medium range back-up sighting solution. The 300-meter rear sight is adjustable for windage only and includes a snap-in polymer aperture insert that gives the user a more precise sight picture if desired.

This set of KAC sights by FCW is replicated to a high degree of details. CNC machined using high-quality aluminum and topped off with a durable anodized coating, these iron sights are built to be as durable as you can expect. Featuring correct markings, these iron sights are a nice addition to your guns overall set up. It is a simple drop-in installation and does not require modifications to ensure proper fitment.