Advantage Police Supply

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Midwest Emergency Rear Sight

Midwest ERS

A2 style dual aperture fully protected from accidental damage.

Thick rugged pivot ears, twice as thick as the competition. A locking detent with double the locking surface, for maximum strength.

A lock detent button with stepped down turns, to provide a surface you can grab onto, if your hands are muddy or wet.

Made from 6061 aluminum, and mil-spec hard coat anodizing, to stand up to the most extreme conditions.

Same style wind age knob as on the standard M-16

  • .65 moa on the M-4 type rifles
  • .49 moa on the A-4 type rifles