UTG new Gen ss flip up rear sight, complete with 3mm Allen wrench to lock mounting deck onto Picatinny rail
Spring loaded Posi-lock design with side plunger release for positive Flipping/folding
Simple flip-up-to-aim design with plunger Posi-lock mechanism to MAINTAIN firm position; compress plunger to unlock and fold down for optics Use
Robust Posi-lock plunger coupled with spring Activated ball bearing and recessed sight base guarantees zero retention
Capable of Co-witnesses with Reflex/holographic sights and Standard Mil-Spec rear sights, designed to match mnt-755 new Gen ss flip up front sight