Midwest Industries ERS Flip-Up Rear Sight Black

Midwest Industries Rear Flip-Up Sight AR Series Midwest Industries Sight Picatinny Black MCTAR-ERS Midwest Industries Rear Flip-Up Sight Specifications: A2 style dual aperture fully protected from accidental damage Thick rugged pivot ears twice as thick as the competition Made from 6061 aluminum mil-spec hard coat anodized to stand up to the most extreme conditions 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 M-16: .65 MOA on M-4 type rifles / .49 MOA on A-4 type rifles Made in U.S.A. with Lifetime Warranty