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MI Rear Flip Up Back Up Iron Sight BUIS AR15 Midwest
MI Rear Flip Up Back Up Iron Sight BUIS AR15 Midwest

MI Rear Flip Up Back Up Iron Sight BUIS AR15 Midwest

Part Number:MCTAR-ERS
On sale: $89.03
Retail Price:$105.00
You Save:$15.97(15%)
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Midwest Industries ERS Rear Flip Up Back Up Iron Sight BUIS AR15

Height is .750 when folded. MCTAR-ERS-FDE, MCTAR-ERS-BLK

 The Midwest Industry MI ERS Folding Battle Sights are Elite AR15 Back Up Iron Sights (BUIS) in terms of quality and design. The MI ERS features protective ears twice as thick as the competition. These M4 Carbine or AR15 sights are easily installed and deployed. The aperture position is the exact same height as the factory sights. The heavy duty locking detent ensures your sights will remain up and zeroed in the most extreme combat conditions. To fold simply press the release button located on the left side of the sight. Lightweight construction from high quality 6061 aluminum, the sight is hard coat anodized for a lifetime of service. Made in USA.


  • 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.
  • Package includes allen wrench for installation.
  • 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.



With a MEPROLIGHT tritium front sight and this rear, you can have dot green front & green rear night sights for M16/AR15.  Green lamps are warranted for 5 years from the date of purchase. MEPROLIGHT 3 Dot night sight sets are designed and assembled with the optimum combination of strength and safety. Machined from steel rather than cast, their strength is unsurpassed. MEPROLIGHT night sights are the brightest, strongest and safest. Available in 2 dot or 4 dot version.


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