Midwest Industries ERS Flip-Up Rear SightZoom

Midwest Industries ERS Flip-Up Rear Sight

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 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

Allen wrench included
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