Command Arms Low Profile Flip Up Rear Sight Ambidextrous spring loaded push button raise the sight Super low profile sights are manufactured from polymer and aluminum to reduce weight Secure mounting to any Picatinny rail Designed for AR-15 and other tactical rifles Windage adjustable 2 apertures/ 1 leaf One aperture for low light and moving targets, the other aperture for extended range and target acquisition Amidextrous Release and Breakaway design prevents damage to sight Lifetime Warranty