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    AT3 Backup Iron Sights (BUIS)

    AT3 Tactical Flip Up Backup Iron Sights (BUIS) provide dead-on accuracy, superior durability, and the best value for AR-15 iron sights!

    We have 3 different types of sights available: 

    Need help in choosing the best Backup Iron Sights for your AR-15? We've listed the factors you need to consider when choosing AR 15 Iron Sights

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