GG&G A2 Flip Up Rear Sight with Locking Detent (BUIS) 1005-GG

Item Code: 1005-GG
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  • Weight: 1.8 oz
  • 2 BUIS Is Easy To Install
  • All Edges Have Been Deburred And Softened To Protect The Shooter
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    The GG&G A2 AR-15 Back Up Sight is #1 selling Back Up Iron Sight (BUIS). It provides the operator with an easy to install and easy to operate flip up rear sight and includes the all-important locking detent. Besides providing a low profile "ready to go" BUIS when you need it, it features include a tactile ergonomic windage knob and counter sunk crossbolt to eliminate the possibility of snags, incorporated in a streamlined body. The A2 back up iron sight is always at the tactical ready once placed in the up position.


    • 2 BUIS is easy to install
    • Solid squeeze rail attachment mechanism with counter sunk crossbolt to eliminate snags
    • Full windage adjustment with the tactile windage knob
    • A2 BUIS presents a low profile when in the down position, allowing clearance for most optics
    • Initial zero is set by adjusting the weapons front sight post
    • A2 back up iron sight is compatible with all GG&G flip up front sights
    • All edges have been deburred and softened to protect the shooter


    • Material: 6061-T6 Aluminum
    • Finish: Hard Coat Anodized Non-Reflective Black
    • Weight: 1.8 oz.
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    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

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