AR15/M16 Backup Rear Iron Sights - A2 Style

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

Description / AR-15 Adjustable Rear Sight

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.

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