Magpul MAG1518BLK MBUS 3 Sight Front Picatinny Rail/STANAG 4694 Rail

The MBUS (Magpul Back-Up Sight) Pro Sight Front, Hooded is an all-steel, back up front sight. The hooded front sight arm provides a profile that aids in faster sight acquisition while minimizing snagging. Its also just as durable as the other Pro sights thanks to a corrosion-resistant QPQ finish that delivers maximum functionality and strength with minimum bulk.