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.
|Detachable Rear Sight
Determined at checkout.