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AR-15 Adjustable Rear Sight

We have very affordable and dependable AR15 Backup Rear Sights for sale. This is an A2 Style Adjustable Iron Sight for AR-15 M4 Flattop Rifle.  This NcStar MARDRS is compact enough that it does not take up much of your Picatinny rail space.  You can have a backup rear sight ready to go at the moment's notice and still have space for a reflex, red-dot or holographic optic on your AR15 upper receiver.

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SKU
MARDRS
  $37.13
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Description

This AR-15 Back-Up Rear Sight should fit all AR15, M4 and M16 flattop picatinny rail upper receivers.  It is fully adjustable for elevation and windage with knurled click adjustable controls.  We also have M-16/AR-15 Flip Up Rear Sight if you are looking for another type of AR15 Backup Iron Sight.

  • Matte Black in Color.
  • Made of Steel and Aluminum.
  • A2 rear sight assembly with large and small rear aperture.
  • Large steel thumb nut and steel rail clamp for positive and secure attachment to your upper receiver.
  • Made by NcStar.

    • If you need a tool to sight your AR-15 Rifles, we have AR15 front sight adjustment tools for sale.

    More Information

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    Customer Reviews

    4.6

    50 reviews

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    Top customer reviews

    1. Noam H.

      Very Pleased

      Overall Rating

      Delighted with this purchase.

    2. Liam F.

      Excellent AR15 rear sight

      Overall Rating

      Price is wonderful and shipping was speedy.

    3. Quinten S.

      Thanks keepshooting

      Overall Rating

      Received in four days after ordering. Will be back to shop from Keepshooting.

    4. Schad T.

      Thanks KS

      Overall Rating

      Drop In replacement rear sight for my AR15.

    5. Kennon M.

      THANKS KS

      Overall Rating

      Finest AR15 rear sight for the price from a terrific company. Thank you keepshooting!
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