Machine QDS Quick Deploy Flip-Up Front and Rear Sight Set Hooded AR-15 Flat-Top Aluminum Matte
Front sight available with either standard or hooded (HK style) stem
Front sight is standard handguard height
Rear sight has a dual peep (A2 style) aperture
Front sight folded height: .435"
Rear sight folded height: .435"
The Yankee Hill Machine 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 aircraft aluminum and hardcoated to military specifications.Link to parts manufacturer