TAcfire has a Low 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 Tacfire.

Specifications and Features:
Tacfire Pop-Up Iron Sights/Spring-Loaded IS002
Push Button Lock to Prevent Sight Folding Down During Use
Spring Loaded
Low Profile
A2 Front Post
Dual Rear Aperture
Designed For Same Plane (Rail Height)
Length: 2.25"
Net Weight: 3.7 oz.
Aircraft grade aluminum
Anodized Black Finish