Scalarworks Peak Iron Sights are for shooters who want the familiarity of classic AR-15 fixed sights, with upgrades to make them more suitable for modern tactical carbines. The Scalarworks crew designed the Peaks for a 15" sight radius, making them far more suitable for AR-15 carbine use than old "A2" sights designed for an M16A2 rifle's 20" radius. Peak Iron sights are manually adjustable for elevation (front) and windage (rear) in 1/2 MOA clicks. The front sight post is machined to the correct width for the 15" sight radius and its flat-face eliminates highlight bias. The rear sight's peep presents a flat surface to the shooter as well to preven Mfg: Scalarworks