Blackhawk Folding Rear Buis (Back-Up Iron Sight)

Item Code: 71BU01

You May Also Like

Reviews / Q&A
This Folding Front BUIS (Back-Up Iron Sight) is compatible with MIL-spec height front AR sights. It locks down, and can be deployed with the push of a button. It is perfect for M4/AR-15 platforms with quick detach optics mounts.


  • Optimized for AR platform
  • Compatible with MIL-spec height front AR sights
  • Single hybrid aperture for simplicity
  • Locks into stowed position with push-button-actuated spring deployment
  • Aluminum sight blade/aperture and polymer base for optimal strength-to-weight ratio

Blackhawk Folding Rear Buis (Back-Up Iron Sight)
PayPal is not available as a payment option for this product.
WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

Customers who bought this also bought

Best Sellers