Shipping Information:
We are experiencing a large increase in orders. Non-firearm orders are estimated to ship within 12 business days after the order is placed. Firearm orders will require more time. We apologize for any inconvenience. We are working to process and ship each order as quickly as possible.

If you would like to request a cancellation of your order, you may do so by visiting your Order History page, and selecting the order you would like to cancel. Due to the high demand and limited supply of certain items, we have temporarily suspended dealer sales in order to service as many of our own customers as possible.

Blackhawk Folding Rear BUIS (Back Up Iron Sight)

  • Item Number: 71BU01BK
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  • View More Items by Blackhawk
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  • Condition: NEW
In Stock and Ready to Ship
    $54.90
    $36.37
  • Eligible for Flat Rate Shipping
    Ships free when purchased with a firearm
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Product Description

  • Optimized for AR rifle platform
  • Compatible with MIL-spec height front AR sights
  • Features a single “hybrid” aperture for simplicity
  • Locks into stowed position with push-button-actuated spring deployment
  • Aluminum aperture and polymer base for optimal strength-to-weight ratio

Customer Comments & Questions

Customer Reviews

(1 out of 5) Do not even think about getting this
by from Arlington, VA on

It is simply not worth the words to explain why you will be disappointed with this purchase if you buy this sight. Simply don't do it. I cant even fathom how this got approved for production, let alone for anything more than $5, but then the shipping to receive this chintzy junk would be worth more than the product received. Do yourself a favor, save your money, avoid disappointment, and prevent anger for not having listened to me. Just move on and do not even consider this sight. Its THAT bad. Make yourself a higher quality sight out of paper clips or something.

(1 out of 5) Junk
by from Anoka, MN on

There is inexpensive and there is cheap junk. This is cheap junk. Was less than impressed by its physical components but thought i would give it a try. The 1st impression was right. Failed in less than 500 rounds. Junk.