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BLACKHAWK! AR-15 Folding Rear Back Up Iron Sight Picatinny Rail Mount Steel Black 71BU01BK

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This Back Up Iron Sight (BUIS) from BLACKHAWK! is made from durable steel, and is perfect for running behind a red dot reflex sight or magnifiying scope. The lightweight design won't weigh down your rifle, but it's ready to be flipped up at a moments notice if your primary optic goes down. Works best on AR-15 rifles, but will function on any rifle capable of using AR-15 sights.

Features and Specifications:
Manufacturer Number: 71BU01BK
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

Any standard picatinny rail 

Item#: ARR-1001-017
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