Wilson Combat QDS Flip Up Sight System features a spring-loaded deployment system that automatically flips the sight up at the push of a button. Front and rear sights lock positively in the folded and deployed positions and are precision machined from high strength but lightweight aircraft aluminum and hard anodized to military specifications. Easy, 1-minute installation on any AR with a railed handguard. Small and Large aperture are on the same plane for simple sight adjustment in the field. Rear sight has a dual peep (A2 style) aperture on same plane Rear sight folded height: .435" Easy, one-minute installation Sights positively lock in closed and op Mfg: Wilson Combat
