REAR FLIP UP SGHT LOW PRO SP
REAR FLIP UP SGHT LOW PRO SP, Same Plane Low Profile Back Up Rear Sight
Sits only .4375" when folded
Locking detent with large surface area for maximum strength
Lock detent button with stepped down turns, to provide a surface you can grab onto if your hands are muddy or wet
Micro style windage knob featuring the same MOA adjustments as the standard M-16 & M-4 rifles
Made in the U.S.A. with Lifetime Warranty