Pro Mag M16/AR-15 Flip Up Polymer Rail Mount Front 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 by a spring loaded plunger. No permanent modification required and all hardware is included. May be paired with model PM136, PM137, PM200 PM202 rear sights.