ProMag, AR15, Polymer, Flip Up, A2 Dual Aperature Rear Sight, Picatinny, Black.
Co-witness most red dot and holographic sights or use as a stand-alone rear sight. Features the standard military A2-style double peep aperture. Precision molded to fit AR-15 / M16 flat top A3 upper receiver rifles, carbines and MIL-STD 1913 Picatinny rails. Mounts to rails via a steel locking bar and secured with a cross slotted, knurled thumb screw. Molded from high strength heat and impact-resistant proprietary blended polymer. Fully Adjustable for windage. No permanent modification required. All hardware is included.