Magpul Mag1166-Blk Mbus 3 Sight Front MAG1166BLK

The Magpul MBUS 3 Front Sight (MAG1166-BLK) is a lightweight, durable, and low-profile backup iron sight designed for AR-platform rifles. Made from impact-resistant polymer, it offers rugged reliability while keeping weight to a minimum. The MBUS 3 features a spring-loaded, ambidextrous deployment system that allows for quick activation with either hand, ensuring rapid target acquisition in high-pressure situations. Its sleek, streamlined profile sits lower when folded than previous MBUS generations, making it ideal for use alongside optics. The tool-less elevation adjustment and dual-width front sight post provide precise aiming customization, while its compatibility with MIL-STD-1913 Picatinny rails ensures broad platform versatility. Whether used as a primary sighting system or a backup to optics, the MBUS 3 Front Sight delivers Magpul’s trusted performance in a compact, modern design.