The sig sauer flip up iron sights are quickly deployable, foldable and built to attach to picatinny rails.Rear aperture sizes, small: 1/16" large: 3/16th".
Type: Flip Up Front/Rear
Frame Material: Polymer
Frame Color: Black
Firearm Fit: AR-15
Style: Flip Up Back Up Sight Set
Windage Adjustment: 20 MOA
Elevation Adjustment: 20 MOA
Firearm Type: AR-Platform
Type: Flip Up Front/Rear
Frame Material: Polymer
Frame Color: Black
Firearm Fit: AR-15
Style: Flip Up Back Up Sight Set
Windage Adjustment: 20 MOA
Elevation Adjustment: 20 MOA
Firearm Type: AR-Platform