The NcStar AR-15 Detachable Rear A2 Iron Back-up Sight (dual aperture) is precision-made with aluminum and steel. The fixed A2 design is adjustable for windage and elevation, and it mounts onto Weaver and Picatinny-type rails. This 2.7"-long sight weighs just 5.1 oz.
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AR-15 OD Green Polymer Flip-up Front and Rear Sight
MSRP:
$24.99
$10.99
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