Same Plane Low Profile Back Up Rear Sight
Sit's only .4375" when folded
Extremely low profile dual aperture design
locking detent with large surface area for maximum strength
Same ball detent battle proven design of #MCTAR-ERS
Locking detent button with stepped down turns, to provide a surface you can grab onto if your hands are muddy or wet
Micro styke windage knob featuring the same MOA adjustments as the standard
Allen wrench for installation included