The UTG ACCU Sync Spring-Loaded AR15 Flip-Up Front Sight offers quick deployment and fast target acquisition. This flip-up sight features a spring-loaded push-button system that automatically deploys the sight tower and keeps it locked. The standard A2 sight post on this AR sight is adjustable for elevation and can easily be replaced with aftermarket posts of a similar size. This UTG front sight attaches to Picatinny rails and features integral recoils stops for a secure return to zero. Designed for quick deployment and accurate aim, the UTG ACCU Sync Spring-Loaded AR15 Flip-Up Front Sight is a reliable backup iron sights system that easily attaches to any MSR with a MIL-STD 1913 Picatinny rail.