Guntec has Gen 2 Thin Profile Back Up Iron Sight Set, Same Plane Height with a push button lock to keep them from folding during use. Don't let a folded sight ruin your next run, stay in the game accurately with Guntec.

Specifications and Features:
Guntec AR-15 Gen 2 Thin Profile Back Up Iron Sight Set SIGHTSET-HK-G2
CNC Machined Aluminum Body
Gen 2 Design
Dual Rear Aperture Option
Push Button Lock To Prevent Sight Folding Down During Use
Low Profile Design
Lightweight
Designed For Same Plane (Rail Height)
Lightweight
Steel Internals
T6 Aluminum Body
US Made
Black Finish

Fits:
Flattop Receiver/ Picatinny Rail Same Plane