AR-15 Adjustable Rear Sight

(50)
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.

In stock

SKU MARDRS

 Secure Online Payments

     
 

American Owned and Operated

 

20+ Years In Business

Returns Accepted

Ships from Pennsylvania

Details

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

    Very Pleased
    Review by Noam H.
    Verified Buyer
    Delighted with this purchase.
    Excellent AR15 rear sight
    Review by Liam F.
    Verified Buyer
    Price is wonderful and shipping was speedy.
    Thanks keepshooting
    Review by Quinten S.
    Verified Buyer
    Received in four days after ordering. Will be back to shop from Keepshooting.
    Thanks KS
    Review by Schad T.
    Verified Buyer
    Drop In replacement rear sight for my AR15.
    THANKS KS
    Review by Kennon M.
    Verified Buyer
    Finest AR15 rear sight for the price from a terrific company. Thank you keepshooting!
    THANKS keepshooting
    Review by Winthrop J.
    Verified Buyer
    Would Recommend this part
    Excellent Price
    Review by Otis O.
    Verified Buyer
    Best AR15 rear sight for the price shipped by a terrific company. Thank you ks!
    Great for me
    Review by Shamell D.
    Verified Buyer
    Best AR15 rear sight for the price shipped by a terrific company. Thank you KS!
    Excellent
    Review by Lashaun Z.
    Verified Buyer
    Delighted with this transaction.
    Exactly as described.
    Review by Varun P.
    Verified Buyer
    These replacement parts are awesome. Would definitely recommend.
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