Pro Mag M16/AR15 Polymer Flip Up A2 Dual Aperature Rear Sight

Molded from high strength, heat and impact-resistant proprietary blended black polymer. Precision molded to fit tactical forearms meeting MIL-STD 1913 Picatinny rail specifications. Secured by a steel cross slotted, knurled thumb screw. Locked in upright position by a spring loaded plunger. No permanent modification required and all hardware is included.