Blackhawk! AR Fixed BUIS - Back-Up Iron Sight Black

Same plane aperture with no vertical or horizontal point-of-impact shift when switching from precision to CQB. Compatible with Mil-spec front sights. 6061-T6 aluminum main body with Type-III hard coat finish. Steel components feature durable manganese phosphate finish. Large clamp for stable attachment. 1/2 MOA click adjustments calibrated for carbine sight radius.