Made by Midwest Industries in the USA for the KRISS Super V is this quality anodized aluminum fold down rear BUIS features an A2 windage knob.
Specifications and Features
Made from 6061 aluminum, mil-spec hard coat anodized for a lifetime of service
Rail mount model, folds to the rear
A2 style dual aperture, fully protected from accidental damage
Thick, rugged pivot ears
Locking detent with double the locking surface, 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
Same style windage knob as on the standard M16: .65 MOA for M4 type carbines and .49 MOA on standard AR-15 and M16 rifles
Allen wrench for installation included
Rear sight height is .750" when folded down.