The Blackhawk AR fixed BUIS features same plane aperture with no vertical or horizontal point-of-impact shift when switching from precision to CQB aperture. It is compatible with MIL-spec front sights and has 1/2 MOA click adjustments calibrated for carbine sight radius. It's 6061-T6 aluminum main body has Type-III hard coat finish the steel components feature durable manganese phosphate finish. it comes with a large clamp for stable attachment. Made in the USA.
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