Leapers® UTG Accu-Sync Flip Up Rear Sight

The Leapers UTG ACCU-SYNC Spring-loaded AR15 Flip-up Rear Sight is precision-machined from aircraft aluminum with a matte black finish, this might be the only AR-15 rear sight you'll need. It features a flip-up design with a spring-loaded, Posi-lock, push button activation that automatically deploys the sight tower and prevents the sight tower from collapsing when deployed. Additionally, it features tool-free windage adjustment and dual apertures ideal for a variety of different scenarios.